[General] a few connotations of "break-up"

[vil]

Dear teachers,

Would you be kind enough to tell me whether I am right with my interpretation of the expressions in bold in the following sentences?

The spiritual leader of the Tibetan people is seen by the Chinese as a threat to their country's unity, and they see every meeting with him as an expression of support for the break-up of their country.

In spring the ice on the Great Lakes breaks up.

Now break up the head of garlic into separate cloves.

break-up = divide into many pieces; disintegrate

The men in the garage will break up the old cars for their parts.

break-up = take to pieces; take apart into its constituent pieces

The police broke up the fight.

The party broke up when the police arrived.

break-up = interrupt the continuity of something

When does your school break up?

break-up = close at the end of a session

I hear that Joan and Steve are breaking up.

break-up = discontinue an association or relation; go different ways; divorce

She says, her sister is going to be married and that she fears it will break her up.

The camera had only to turn to Tommy Cooper for the audience to break up with laughter.

break-up = burst into or cause one to burst into an expression of feeling, such as laughter or tears

The job can be broken up into several activities, which provides some variety.

break-up = destroy the completeness of a set of related items

The crowd broke up as soon as they reached the streets.

break-up = scatter, disperse

The weather breaks up.

broken weather = changeable weather = uncertain weather

Thank you for your efforts.

Regards,

V.

[RonBee]

Certainly, some are more likely to be used than others, but overall it looks good.