<span>The Japanese reached Guadalcanal in May 1942. When the allied forces spotted construction of an airfield on Guadalcanal, It was one of the most hotly contested campaigns for control of the ground, sea and skies of the war. Guadalcanal became a major turning-point in the war as it stopped Japanese expansion.
-Wikepedia
This should answer all your questions. I hope it helped. Have a great night!
</span>
<span>To reduce competition from foreign producers.</span>
Answer:
The effect of slavery in Africa. By providing firearms amongst the trade goods, Europeans increased warfare and political instability in West Africa. Some states, such as Asante and Dahomey, grew powerful and wealthy as a result.
Explanation:
increased war power
They have the power to nominate new members to the supreme court. So, C.