Question

What did the Marshall Court rulings that supported the sanctity of contracts and federal law over state law boost?
A.a national economy and a strong federal government
B.the rights of workers
C.the power of employers
D.foreign trade and a balanced federal budget

Answer 1

the Marshall Court rulings that supported the sanctity of contracts and federal law over state law boost was
a national economy and a strong federal government
Because its the most appropriate and best among above choices
so correct option is A 
hope it helps