What was the significance of german u-boats wwii and to world history in general. what impacts of the german u-boats can still be seen today? this should be one paragraph in length.

The German "u-boat" aka the Submarine was highly effective due to having the element of underwater travel. This way, they could sneakily send missiles at other naval ships without risk of detection. These days, submarines are an essential part of naval force, and underwater detection systems are being created in order to detect these more often.

the answer is b: the religion they practice.

here's why:

there were many different native american tribes and those with similar characteristics formed a main tribe or nation. each had its own language, religion and customs.