List 3 hardships lewis and clark went through during the corps of discovery

How did the manhattan project to end the war? a scientists working on the project built large bombers. b scientists working on the project discovered uranium. c scientists working on the project developed the atomic bomb. d scientists working on the project shared secrets with axis scientists.

The folsom culture was replaced by the plano culture. clovis culture. american indian culture. paleo-indian culture.

9. explain whether the marines on mt. suribachi in 1945 showed respect to the american flag. support your answer with evidence from the text.