Which of the following made farming difficult for farmers on the great plains?
a. heavy flooding
b. long railroads
c. low rainfall
d. poor, rocky soils

low rainfall, rocky soil and i would say long roads but not completely sure

Explanation:

Bitter cold winters, low rainfall, drought and dust storms. Tough, hard soil eroded by fierce winds and dust storms that was generally considered unsuitable for farming.

evaluate the extent to which the seven years' war (french and indian war, 1754–1763) marked a turning point in american relations with great britain, analyzing what changed and what stayed the same from the period before the war to the period after it.

they believed democracy was worth the fight