Answer:
I know B for sure not rlly sure bout the others tho
Explanation:
<span>The Isthmus of Panama, also historically known as the Isthmus of Darien, is the narrow strip of land that lies between the Caribbean Sea and the Pacific Ocean, linking North and South America. It contains the country of Panama and the Panama Canal. Like many isthmuses, it is a location of great strategic value.</span>
Answer:
The correct answers would be B, increased production of war materials, and C, a reduction in the number of European immigrants.
Explanation:
I hope this helps you :) Sorry, it took so long for someone to answer this for you.