In the old south, the majority of slaves a. lived on small farms. b. lived on plantations with 100 or more slaves. c. lived on plantations with 20 or more slaves. d. worked under a task system.

to act quickly in times of danger to the united states

because you have to act quickly if you want to live/survive.

map scale refers to the relationship (or ratio) between distance on a map and the corresponding distance on the ground. for example, on a 1: 100000 scale map, 1cm on the map equals 1km on the ground.