USA HISTORY

Detailed explanation-1: -In 1804, Meriwether Lewis and William Clark set out on a two-year journey to document the newly purchased Louisiana Territory. On the way to the Pacific, they collected information on plants, animals, and about some of the Native American nations living in the area.

Detailed explanation-2: -Western settlers of the 1800s included African Americans who were both former slaves and freeborn, Chinese Americans who moved to California with the railways, and Hispanic Americans who were given the chance to become American citizens after the Mexican-American war.

Detailed explanation-3: -European arrival (1513–1750) In 1513, Spanish explorers were the first Europeans to reach the west coast of North America, on the Pacific coast of the Panama isthmus.

Detailed explanation-4: -American pioneers were European American and African American settlers who migrated westward from the Thirteen Colonies and later United States to settle in and develop areas of North America that were occupied by Native Americans.