The answer is D
Passed on May 20, 1862, the Homestead Act accelerated the settlement of the western territory by granting adult heads of families 160 acres of surveyed public land for a minimal filing fee and 5 years of continuous residence on that land.
I think it is D: Excise taxes
The coup d'etat of South Vietnamese President Ngo Dinh Diem that resulted in his assassination was accomplished by Henry Cabot Lodge, Jr. and the CIA. The Central Intelligence Agency of United states of America was fully aware of the incident that was going to take place and they decided to inform the people making the coup that USA will alienate itself from this incident.
The most important inventions during the Renaissance is the printing press