For the first question, the correct answer is B „The US wa in charge of Western Hemisphere”. This corollary was to allow the US in Latin America and the Caribbean and establishes the semi- colonials rights to the US over these regions. Regarding to the second question, the correct answer is A „to increase public support for the war”. Most of the population was against the US participation in the war so through the posters, famous ones such as Uncle Sam, they could changed people’s mind. The posters were the easiest way to achieve their goal because the images speaks for itself without needing big speeaches or something similar.
President carter failed to sympathise for the people of his country. Some say that he was greedy and only did what he did to gain popularity. His decisions werent well thought out as well
For this question you need only to know what the capital of the Byzantine Empire was: it was Constantinople, this should be the correct answer (I hope it's in options).
Today this city is known as Istanbul, and it's the biggest city in Turkey.