Answer:
The U.S. claim was based on the explorations of Lewis and Clark and on the establishment of trading posts set up by John Jacob Astor's Pacific Fur Company, such as Astoria at the mouth of the Columbia River. Great Britain based its claim, in part, on James Cook's exploration of the Columbia River.
Explanation:
The founder of communist ideology was Karl Marx.
The theory of communism was advanced by Vladimir Lenin.
The Fifteenth Amendment (Amendment XV) to the United States Constitution prohibits the federal and state governments from denying a citizen the right to vote based on that citizen's race, color, or previous condition of servitude. It was ratified on February 3, 1870, as the third and last of the Reconstruction Amendments.
Economic development in Europe during the 15th and 16th centuries led to renewed technological and scientific development throughout Europe which continued into the centuries after. New wealth, advancements in ship building, desire for new trade routes, and a greater thirst for understanding and exploring the globe led to greater European exploration at this time.
They helped transport people and goods all around tge country quickly and efficiently
