Answer:
B. Un historiador que organiza el pasado por tema estudia una gran idea
Explanation:
The modernization of US cities has caused a reduction in overall river pollution. The development of large farms has polluted the river through waste runoff. The use of the river for shipping has stayed relatively the same since 1800. The decrease in fishing in the river has led to a shortage of seafood products.
C) The American Revolution inspired the French Revolution
Answer:
Bell maintains "the Homestead Act itself was a cause of the Civil War." Prior to the Homestead Act of 1862, the bill President Abraham Lincoln signed into law, four previous homesteading acts had been considered by Congress.
Explanation:
#Carry on learning
Answer:
1939
Explanation: it started in october 29,1929 but it ended in 1939
