I think the first nation supported the rail way because it gave them a new way of transportation which is faster and easier
Three Fifths Compromise
<span>A compromise where every 5 enslaved people counted as 3 in the states population. It helped both larger states and smaller states in representation.</span>
International tensions caused by nationalism and imperialism led to militarism, leading to world dominance by the most powerful nations.
i think the answer is b , the french and the dutch