what was the relationship between the federal government and economic growth in the aftermath of world war ii?

Government powers not provided to the national government in the us constitution but are rather given to the states by the 10th amendment is called?

Why did trade along the silk road increase after it fell under mongol control? o people stopped using camels the mongols paved the road o it became safer to travel the mongols were better traders next question ask for

What was the compromise that allowed california to be admitted to the union l-ala on?