Delegates came together and met in the city of?

The segments shown below could form a triangle.

Anthony johnson, an african who arrived in virginia in 1621, a. learned the powhatan language and became a translator for governor thomas dale. b. owned slaves. c. translated the king james version of the holy bible into indian and african dialects. d. was the first slave who purchased his freedom with earnings from growing tobacco.

How and why did many southerners attempt to stop the laws congress passed?