Answer: From observing the static structure of the body, Leonardo proceeded to study the role of individual parts of the body in mechanical activity. This led him finally to the study of the internal organs; among them he probed most deeply into the brain, heart, and lungs as the “motors” of the senses and of life.
Explanation:
President Lincoln waited for a Union victory before announcing the Emancipation Proclamation because the Union needed to show a victorious country defending the slaves in the Confederacy. If the Union didn't have a victory, the slaves would feel left out by the states that tried to save them.
Answer: Strained relations with american Indians
Explanation:
the awnser is b because The group subsequently became active in the third-party movement that culminated in the formation of the People's (or Populist) Party in 1891–92. Farmers and stockmen formed the Southern Farmers' Alliance in Lampasas County, Texas, as early as 1874 or as late as 1877, according to various sources.
