It is true that for the first 50 years after the ratification of the Constitution, Representatives and Senators usually only served for short periods of time because of difficulty in travelling and accommodations.
<u>Explanation:</u>
When the constitution was ratified, for a long period of around fifty years, the officials of the government which were the senators and the representatives used to serve the period only for a very short period of time.
The reason for this is that the travelling during that time from one place to another was very tough. Moreover the condition of the capital of the United States of America was very bad and the representatives chose to return to their local offices.
B. Free African Americans
Underground Railroad is a passage African Americans used to escape slavery.
Your answer would be D). Under the Marshall Plan, the U.S. and European nations can cooperate to rebuild Europe.
The reason why this would be your answer is because when you look at the poster, it has the U.S and multiple European country flags. The Marshall Plan was an aid that helped Western Europe. The countries on the windmill are from western Europe. Because of the Marshall Plan, the U.S helped western Europe of 12 billion dollars (100 billion in modern currency). Even the the United States became independent from Europe, they still were there to support the European economy.
The answer to your question would be B