Which electric appliance emerged in the postwar era?

the vacuum cleaner

the clothes dryer

the sewing machine

the stove/oven

The vacuum cleaner

Explanation:

After World War II, the vacuum cleaner came into being and became common among the middle classes. Vacuums become more popular in Western countries because in most other parts of the world, wall-to-wall carpeting is unusual and homes have tiles or hardwood floors that are easily dragged, wiped, or wiped by hand, without being able to help.

name two ways organisms join a population and two ways organisms leave a population. two ways organisms join a population are birth rate and immigration. two ways they leave are death rate and emigration.

explanation:

b.   jim crow laws were enacted in northern states.