Measure and mix disinfectant as​

Gettysburg address question. what is the best line from the address? why do you think so?

The southern colonies practiced indentured servitude and slavery because cash crops such as tobacco and sugar required many workers. the fishing and shipping industries required many workers. imprisoned debtors were brought from africa to settle the colonies. indentured servitude and slavery were not allowed in the caribbean colonies.

What greek scientist created a screw to move water for irrigation?