Answer:
Don't forget to stream Border: Carnival when it comes out!!!
Explanation:
U-boats were military submarines used by the Germans. While they were useful against warships, U-boats were the most effective in economic warfare by blockading coasts so resources could not be shipped to Germany's allies. WWI was the first major war that employed submarines in warfare.
Please mark brainliest if this helped :)
Hunting can cause increase in the population of producers
Answer:
There were still slaves in the United States as well as other countrie