Do you believe that powerful countries should be allowed to enter weaker countries and take control of how they run their governments

No

Explanation:

Because powerful country should give advice rather than to enter.

Hey chloecagle I think it should not be allowed because if a strong country will fight for the conquering a weak it. There will be more percentage of losing the battle for the weak country,if battle is fought among the countries

the correct answer is a. how to make proposal that works.

indeed, the register is quite formal and the tone is especially objective as it avoids the use of the first and second person singular (i, you) and opts instead for the third person plural which is more impersonal and focuses on the data and the argument that is being developed by the author. the formality adds the impression of respectability to the work and the impersonality adds objectivity to it.