<span>B.to test new space technologies</span>
Answer:
Lewis and Clark's team mapped uncharted land, rivers, and mountains. They brought back journals filled with details about Native American tribes and scientific notes about plants and animals they'd never seen before. ... Many Americans did more than dream. The great westward expansion was about to begin.
where is the question I cannot see
The period of <span>Muhammad in Medina</span><span> started with the </span>Hijra<span> (migration to Medina) in 622 and ended with the </span>conquest of Mecca in December 629. <span>Muhammad instructed his followers to emigrate to Medina until virtually all of his followers had left </span>Mecca<span>. Being alarmed at the departure of Muslims, according to the tradition, the Meccans plotted to assassinate him. he fooled the Meccans who were watching him, and secretly slipped away from the town.</span>
