Which of these measures increased significantly during the two decades following the end of world war ii?

a) interest rates
b) birth rate
c) inflation rate
d) union membership rates

i believe its b) birth rate cause of the baby boom

The answer is B birth rate because after World War 2 people could start having more kids now that they could afford it. Before women would not do that because they could barely pay for themselves as it was.

by 1890, the united states had by far the world's most productive economy. american industry produced twice as much as its closest competitor--britain. but the united states was not a great military or diplomatic power. its army numbered less than 30,000 troops, and its navy had only about 10,000 seamen. britain's army was five times the size of its american counterpart, and its navy was ten times bigger. the united states' military was small because the country was situated between two large oceans and was surrounded by weak or friendly nations. it faced no serious military threats and had little interest in asserting military power overseas.

the answer is option a.