So in the 1840's farming required A LOT of people to do work (slavery). How come they didn't need as many people in 1940?

Select the equations in which w=100 makes the equation true. select all that apply. a.) 0.54÷w=0.0054 b.) 4,086÷w=4.086 c.) 362.7÷w=3.627 d.) 5.3÷w=0.0053 e.) 21.9÷w=0.219

Plz which of the following statements is the best definition of a blockade? a. a blockade is a group of soldiers recruited from a foreign country who serve for the money. b. a block it is a military tactic in which one army moves into place to face another army. c. a blockade is a wooden fence built to defend a colonial settlement. d. blockage is the shutting off of a port by ships to keep people or supplies from moving in or out.

Who was the first present of the united states