What Did the Pacific Railway Act, Homestead Act, Morrill Land

What did the Pacific Railway Act, Homestead Act, Morrill Land Grant College Act, and National Banking Act all have in common?

A) A Democrat-dominated Congress enacted them without Lincoln's support.
B) Congress drafted this legislation only after the Union had won the war and reorganized the government.
C) They reflected the belief of Republicans that an activist federal government could promote economic development.
D) They contributed to the deterioration of the national economy and the smaller role of the federal government.
E) They helped cause United States manufacturers to be the least protected in the world in terms of foreign imports.