In the months leading up to world war i, the united states wanted to maintain its neutrality because

United States expressed its neutrality during World War I because it was indulging in heavy and active trade with European countries.

Explanation:

United States initially expressed its open mindedness and remained impartial but German Submarine vessels entered the US ports and caused a great damage to the business and trade that was carried on actively in American ports.  

This prompted to prepare for an assaulting attack by United States on Germany. US, which remained nonaligned initially, joined hands with the British and France and other allied powers to fight against Germany.

answer: because they get bored or smth idk

donald carl johanson (born june 28, 1943) is an american paleoanthropologist. he is known for discovering – with yves coppens and maurice taieb – the fossil of a female hominin australopithecine known as "lucy" in the afar triangle region of hadar, ethiopia.

hope this !

i googled "who was kolson johanson" and this is the answer i found.

sorry if this is incorrect.