This article tries to . . . . . . . us with problems of poor nations so that we help them more effectively.

The correct answer is: E. acquaint

The word “acquaint” means to make someone familiar with something. In this case, the article is trying to make us familiar with the problems of poor nations so that we can help them more effectively.

The other options are not as accurate. The word “allow” means to give permission or opportunity. The word “enable” means to make someone able to do something. The word “convince” means to persuade someone to do something. The word “project” means to plan or intend to do something.

Here are some examples of how the word “acquaint” can be used in a sentence:

• I will acquaint you with the details of the project.
• I am not acquainted with the person you are talking about.
• The teacher acquainted the students with the new rules.
• The article acquainted us with the problems of poor nations.