1. Colonialism is when...
a. one country controls land and people of another country
b. one country attacks another country in a war
one country trades with another country using planes or ships
d. one country buys crops or other goods from another
C.

  b.

there are isolated pockets of farming, generally around rivers and oases, which are used for irrigation.

this is a pretty broad question and can be a pretty lengthy answer. since 1900, women have gained a lot more rights and have become active in the workforce. with women being in the workforce, men play a larger role in family life. many family tasks are shared between men and women, whereas, women used to be the sole family caretakers.

that should get you started at least.