An accomplishment of the Lewis and Clark expedition was that it

Lewis and Clark made significant additions to the zoological and botanical knowledge of the continent, providing the first scientific descriptions of many new species of animals, including the grizzly bear, prairie dog, pronghorn antelope, and mountain goat.

Explanation:

a)scientists

explanation:

the national defense education act had two main goals. the first one was to provide personal that was oriented to defense, including scholars, engineering students and so on. the other goal was to provide financial assistance for the students who would be enrolling at colleges and universities in the 1960s.

the safahids used force when persuasion to convert from being a sunni muslim to embrace shi'ism was not effective. they also persecute shi'ites who have different views from their imposed teachings.