participle clause

[760831]

I attempt to turn the following participle clauses into complete sentences and wonder if they are correct?

The two allies are working side-by-side on building a ballistic missile defense system, pushing North Korea to abandon its nuclear weapons program and increasing overall military cooperation to unprecedented levels.
＝The two allies are working side-by-side on building a ballistic missile defense system and they push（are pushing） North Korea to abandon its nuclear weapons program and they increase（are increasing） overall military cooperation to unprecedented levels.
＝The two allies are working side-by-side on building a ballistic missile defense system and the fact that the two allies are working side-by-side on building a ballistic missile defense system pushes（is pushing） North Korea to abandon its nuclear weapons program and the fact that the two allies are working side-by-side on building a ballistic missile defense system increases（is increasing）overall military cooperation to unprecedented levels.
Taiwan News Online

Both the United States and Russia have air bases in Kyrgyzstan , making the prospect of political instability in the country a major concern.
＝Both the United States and Russia have air bases in Kyrgyzstan and they make the prospect of political instability in the country a major concern.
＝Both the United States and Russia have air bases in Kyrgyzstan and therefore they make the prospect of political instability in the country a major concern.
＝Both the United States and Russia have air bases in Kyrgyzstan and the fact that Both the United States and Russia have air bases in Kyrgyzstan makes the prospect of political instability in the country a major concern.
Taiwan News Online

More than 400 North Korean refugees being held in a Thai immigration facility have launched a hunger strike, demanding they be sent to South Korea , Thai police and a human rights group said Wednesday.
＝More than 400 North Korean refugees being held in a Thai immigration facility have launched a hunger strike and they demand（have demanded）they be sent to South Korea, Thai police and a human rights group said Wednesday.
＝More than 400 North Korean refugees being held in a Thai immigration facility have launched a hunger strike and at the same time they demand（have demanded）they be sent to South Korea, Thai police and a human rights group said Wednesday.
＝More than 400 North Korean refugees being held in a Thai immigration facility have launched a hunger strike because they demand（have demanded）they be sent to South Korea, Thai police and a human rights group said Wednesday.


North Koreans have been arriving in Thailand and usually staying there for about three months before being allowed to fly to South Korea , but "the flow has stopped," leading to the hunger strike since Tuesday, Lee said.
＝North Koreans have been arriving in Thailand and usually staying there for about three months before being allowed to fly to South Korea, but "the flow has stopped," and the fact that the flow has stopped leads (has led) to the hunger strike since Tuesday, Lee said.
Taiwan News Online

[Tdol]

The first batch are very wordy; the repetition of 'and' or 'and the fact' makes them sound more simplistic than the original, especially the second, where the restatement of the 'working side-by-side' part makes it a clumsy sentence. It would be much simpler if you used 'which pushes' instead.

In the second batch, there's a similar issue; not that of grammatical correctness, but that your conjunction 'and' does not provide the link that the original had, forcing you to add a lot more to recreate the oriiginal meaning. In the third group, this is less of a problem, so the sentences read better, though I would question the use of 'because' in the third. In the last, the simple use of 'which' would work better and avoid convoluted repetitions with 'the fact'. Another way to do it would be to use a full-stop or semi-colon and then use 'this', which would provide the connection.