Answer is 10%.
About 270 million acres of public land was given away for free to Homesteaders, people seeking to settle out west under the Homestead Act. This constituted about 10% of the US. The first of the acts was passed in 1862, and the second in 1866.
Answer:
Under the Treaty of Guadalupe Hidalgo, which settled the Mexican-American War, the United States gained more than 500,000 square miles (1,300,000 square km) of land, expanding U.S. territory by about one-third.
Explanation:
How the Renaissance had changed was because of the Jesuits had put them selves into education and scholarship as an center of the intellectual and spiritual activity, which made them rapidly became in touch with higher educators and advisers. Because of that they considered themselves as an educators as well.
Being able to see without the issue of knocking over your oil lamp in the middle of the night. Allowing people to work longer with better lighting.