I think you're answer is Athabaskan.
Hope this helps!
Using simple words, imperialism is a policy of certain country involving a will of extending its power by using any kind of pressure or force.
For example - In 1939 Nazi Germany together with Soviet Russia jointly invaded Poland, in the result, both countries extended its borders.
Answer:In 1794, U.S.-born inventor Eli Whitney (1765-1825) patented the cotton gin, a machine that revolutionized the production of cotton by greatly speeding up the process of removing seeds from cotton fiber. By the mid-19th century, cotton had become America's leading export.
Explanation:
<span>It was extended in 1925. The federal government ruled that the state government had to carry out the freedom of speech clause in the national constitution, and that they could not deny it based on their state constitutions. The case in which this was ruled was called Gitlow Vs. The State of New York. Gitlow published a left-wing newspaper. The ACLU argued for him.</span>