C Perception of time is not universal.
People during this time period generally used Africans as slaves because they were easy to capture and use for cheap labor. Settlers wouldn't have to paid people for the labor so their profits increased.
Comparing source from other established sources from that time period
These characteristics are describing the Nullification Crisis. (Answer choose b) When Congress raised tariffs once again in 1828, former Vice President from South Carolina John C. Calhoun proposed the nullification issue, claiming South Carolina could make this latest law "null and void" and that states could nullify any law they deemed unconstitutional.
It means to "be nice to everyone, however, if they don't listen, show them your military power" literally.
I meant that if the easy way doesn't work, then use the hard way
hope this helps