When was santa anna elected president of mexico?

answer is b.

  it is always the best policy to have good communication and good relations between individuals and, specially, between leaders of the countries. for this purpose, among others, there is a common place, the united nations, where the representants can present his and learn about the other country's policies.

it reintroduced the two-party system.

here's hoping you get answers to your questions that are just as as the answers you're giving other people.