B I'm super sure if you get it wrong I'll give you your points back
Paleo-Indians<span>, </span>Paleoindians<span> or </span>Paleoamericans<span> is a classification term given to the </span>first peoples<span> who entered, and subsequently inhabited, the </span>Americas<span> during the final </span>glacial episodes<span> of the </span>late Pleistocene period<span>. The prefix "paleo-" comes from the </span>Greek<span> adjective </span>palaios<span> (παλαιός), meaning "old" or "ancient". The term "Paleo-Indians" applies specifically to the </span>lithic period<span> in the </span>Western Hemisphere<span> and is distinct from the term "</span>Paleolithic".<span>[1]</span>
Since people speicilize in a certain thing it causes isolation since they want to do good at that certain area or thing they are specializing in.
Basically, before the U.S. entered World War 1, they made Germany promise not to sink merchant and civilian ships. They had to search the ship first and only sink it if there was contraband found aboard the vessel, after allowing the crew and passengers to have safe passage somehow. Previous to that, Germany had been sinking ships left and right, with no prior information that they were military or civilian ships.
Answer:
Explanation:
the lack of an effective national military