B. Cooperative federalism has been practiced in the US since 1860.
Cooperative federalism, or the concept of federalism in which local, state, and federal governments work together to create policies, replaced dual federalism in the 1930s.
It ended around 30 BC after the last conquest of the Hellenistic Kingdom in Rome
Answer:
you could report to the nearby police station for immediate executions or judgement
The main reason why United States was involved in Vietnam is that the United States believed in the so called Domino effect: that if one country becomes communist, others might become communist too. So they got involved to stop the spread of communism (option a)
