If a nation is very small they could only accept a certain amount of people. They are small so they only have so much food, space, etc. to provide for its citizens. Though if the nation was large such as the US or Canada they can be a little less strict and allow more people in.
Lincoln's political rise is one of the most interesting stories in American history. When Lincoln first entered into politics at the age of 23, he was seen as being ill-prepared to hold office and, moreover, lacking in charm in education. <span> Over time, his intelligence, good humor, and ability to connect with votes lead him to gain greater political clout. Before 1856, Lincoln's political offices consisted mostly of service in the Illinois General Assembly and one term in Congress. In 1856 he joined the new Republican Party. Two years after that he ran for the U.S. Senate, making a name for himself in debates. By 1860 he became the first Republican candidate to win a presidential election.</span>
True , because it stated that slavery was often referred and is recognized as the immediate cause of the civil war.
