A. The entry of the U.S. into the UN
Answer: Forests
Explanation:The missing part that made farming easier was the availability of Forests which was not available on the Prairies.
Freeing the slaves, the government, uncompromising diffrences , power of government over the states, economic changes , union was rapidly changing, and that's just a few I remember !!
Answer:
In 1861, the civil war happened until 1865.
Texas then went through reconstruction until 1899.
In 1912, the stock market crashed causing the great depression.
Explanation: