Select all that apply. A nation is a group of people united by:

1. a common language
2. a shared history
3. a shared border
4. a common currency
5. a common culture

a common language

5. A common culture.

Explanation:

That's what I think it is, I hope it helps.

they can increase to boost the enonomy.

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.