some words

[me78]

Hi, can you help me, I don't know the synonym of some words here:
1)litany of complaints
2) anti-corruption sweeps
3) because of its reliance of minerals, oil and rain
4)foreign investors are governed (=maybe contolled) by trust
5) Nigeria has embarked on the reform of the courts.

The words with red are quastionable. thank you sooo much

[Tdol]

1 A lot of complaints
2 A rapid attempt to remove corruption
3 Dependence
4 It depends- trusts can be legal or simply believing in the other
5 Nigeria has started the reform process