D. Mayan civilization of Mexico and Central America
Answer:These claims suggest that immigrants contribute to economic growth by increasing the supply of (or attracting) capital as well as the supply of labor. Rosenberg (1972: 32–33) concludes that immigrants to the United States also brought European technology that increased the productivity of American industry.
Hannibal Hamlin was the one that brought the Republican Party into power.
Assuming this is referring to the Greensboro sit ins, it started a chain of sit ins at restaurants. The 4 African American college students were the first to challenge the segregation inside restaurants. They sat in at one, which led to others being inspired and joining in by sitting in at other restaurants.
