Answer:
A)The Native Americans had lots of money to spend on new farming technology.
Explanation: In the early 1700 Americans decided to sow lots of money into new technologies called intervention in agriculture in other boost production of agricultural produce.
Many machines where developed such as the cotton gills that helps reduce the time spent in separating cotton lint from fiber making the work more faster and neater.
Horse power thresher was also introduces to help separate grains from the shaft.
Mechanical reaper was also invented to cut grains more accurately.
It would be the "b. Civil Rights Bill of 1875" that sought to prohibit discrimination in hotels, transportation services, and any facility that served the public, since many Southerners did not want to give blacks these freedoms.
I believe the correct answer is C