<span>It was at the crossroads between Asia and Europe, the Black Sea and the Aegean Sea, making it important for trade.</span>
Im stuck between a and d its like they both seem right, sorry.
Sectionalism became very tensed in the late 1940s because of the separation of the North and the South because of the slavery. People in the North were focusing on industrializing, urbanizing, and building factories while the people from the South concentrated in agriculture. The Southerners was claiming that the North's factories weren't treating everyone fairly and lead into a war.
He wanted to restrict the supply in order to raise its price. Farmers were growing too much of their crops and as result demand started to go down.