Answer:
brainliest plzzzz
Explanation:
1890
In 1890, the Census Bureau announced the end of the frontier, meaning there was no longer a discernible frontier line in the west, nor any large tracts of land yet unbroken by settlement. This news had a terrific psychological impact on many Americans. For the first time in history, America was without a frontier.
Answer:
Dno open door policy didnt affecr china because it can also make america more popular or more richer
Explanation:because it can make the open door policy a negociation by the other country
In general the common argument is "This development paved the way for the use of nuclear energy". There are of course cons to nuclear power as well, but these are known.
During WWII, George C. Marshall served as chief of staff of the US army from September 1, 1939 until November 18, 1945.
During his tenure he helped train US soldiers in modern warfare as an instructor at the Army War College in Pennsylvania.
He inherited an outdated and poorly equiped army, so he was also responsible for the modernization of the army and co-ordinated a large scale expansion of the military.
While Marshal wrote the document that would become the central strategy for Allied operations in Europe, Dwight Eisenhower would become the Supreme Commander of Operation Overlord.
Maryland was the refuge for catholics
