The slave trade-export compromise did all of the following except: select one: a. required all treaties to be ratified by two-thirds vote of the senate b. no export taxes placed on products going to another country c. the slave trade could continue without interference from congress for 30 years

The Slave Trade-Export Compromise stated that slave trade could continue without interference from Congress for 20 years, not 30. This Compromise effectively protected slave owners and the slave trade during 20 years  ̶ until 1808. Congress could not prohibit slaves trade but they could place taxes on them as they were technically considered as merchandise.

darwinism is survival of the fittest there for social darwinism is the survival of the wealthiest

it made them more prductive and efficent but with the change of polcies less and les got into the navy