What was NOT a direct effect of the steam engine? a. People became focused on using cleaner energy.
b. Factories didn't need to be built directly next to rivers.
c. People could travel farther than ever before.
d. The demand for coal increased.

Which describes the persian empire? choose all that are (a) the persian army defeated the athenians at the battle of marathon. (b) the persians avoided using ideas from the peoples they conquered. (c) cyrus allowed conquered peoples to keep their cultures. (d) darius i built a network of good roads for communication. choose all that are

Why were factories a good source of income? select all that apply. -they produce goods at an exceptionally fast pace. -they build a sense of community among workers. -they often employed low wage earners. -they employed women and children at disgracefully low wages. -labor unions to establish good working conditions.

In their competition for power nations raced to