A horse. My ancestors were farmers, thus a horse would be the most useful to me. It can help you care for your crops, and allow you to travel to town to purchase and sell products.
In the short term, the voyages led to the destruction of the natives of the lands that Columbus found. Some of them were killed outright. Others were enslaved. Many died of diseases brought by the Europeans.
Close to people of similar ethnicities, cultures, and religions
Members of the Immigration Restoration League "wanted to restore the U.S. to its former glory." They believed that most of the immigrants coming into the United States were racially inferior to whites.