Answer:
they limited westward exspansion and exploration
Explanation:
Answer:
Lewis and Clark's team mapped uncharted land, rivers, and mountains. They brought back journals filled with information about the Native American tribes. They also brought back scientific notes about plants and animals they'd never seen before.
The right answer is the third one: the bubonic plague originated in the Gobi Desert, part of the then Mongol Empire, around 1320. It then propagated to China and subsequently to India, Europe and Russia. The disease spread via trade routes mainly as a result of a poor hygiene. It never reached the American continent or Sub-Saharan Africa.
