In the 1880's, how were various European nations able to begin expanding into Africa and eventually gain control over most of the continent?

Africans lacked tribal unity

Europeans had better technology

the development of quinine helped fight African diseases

all of the above

all of the above

Explanation:

In the 1880s, there were various European nations that can begin expanding into Africa and eventually gain control over most of the continent. The Europeans were able to infiltrate based on the following reasons:

1. Africans lacked tribal unity

2. Europeans had better technology

3. the development of quinine helped fight African diseases

Hence, in this case, the correct answer from.the available options is "ALL OF THE ABOVE"

1) the answer is b

senators serve a six-year term; representatives serve a two-year term, making them more responsive to (and responsible for) voter confidence.

2) the answer is d

to serve as president, one must:   -be a natural-born u.s. citizen of the united states;   be at least thirty-five years old;   be a resident in the united states for at least fourteen years.

3) the answer is a

ella,because it is constitutionally eligible

4) the answer is c: the u.s president

the authority to tax.