How did new communication technologies affect the economy in 1800s?

Why are constitutions, both federal and state, necessary for our government?

What was the government purpose for creating “day schools”

It can be inferred that the dramatic increase in defense spending by germany was the result of. (a) attempts by great britain to take german colonies. ( b) fear of a two-front war against france and russia (c) the need to put down a communist rebellion (d) a competition with the allies to produce atomic weapons