Answer:
B
Explanation:
A is not right it didn't end any colonialism, C is wrong because there are leaders in a government system, D is also wrong because its not the Emancipation Proclamation that freed all slaves in the south and in the north.
Answer:
D is the answer.
Explanation:
In the scenitfic process, your hypothesis is the question. You expirement with that hyptohesis in mind to slove that question.