Which of the following factors was the biggest reason why american indian tribes had to compete for resources during westward expansion? a. settlers began to use their lands for grazing and hunting. b. tribes had few opportunities to trade with settlers. c. settlers traveled through their lands to reach the west. d. tribes could not make money by collecting tolls from travelers.

by creating a labor shortage that pushed the continent toward a market economy

the answer is c     : )

explanation:

i don't have an explanation because i don't know, but i think the answer is c because i googled it and google is right : ) just kidding google isn't allways right but the answer is still c. i hope this !

valentina tereshkova

soviet cosmonaut valentina tereshkova became the first woman to fly to space when she launched on the vostok 6 mission june 16, 1963. valentina tereshkova was the first woman to go into space. in 1963, she spent almost three days in space and orbited earth 48 times in her space capsule, vostok 6.jan 22, 2018

a.) are both appointed for life