Who proposed the continental drift hypothesis in 1912?

a. sagan

b. darwin

c. wallace

d. wegener

The transcontinental railroad was first proposed by Asa Whitney in 1846 and was quickly called ""too gigantic"" and ""entirely impracticable"" by Congress. Yet the railroad was built by 1869 and transformed the United States.

Of the 25 poorest counties in the united states how many are in texas

Why was the outcome of the Battle of Saratoga so significant? Question options: The French joined the war as an American ally It led to victory in the South. It marked the end of British presence in the north.

What is written in the Preamble to the Constitution? a. A guide explaining how to interpret and navigate the Constitution b. The consequences of and penalties for ignoring the Constitution c.

What ideas inspired the declaration of independence

What were challenges that Louis and Clark went through at/during Teton Sioux?

How did the Delmar Republic obtained power

What british actions in 1775 moved the colonists toward independence?

What compromise might be found that would be supported by New Jersey as well as by states that wanted the legislature based on the states' population?

The main source for knowing man's life before literacy