Question

What was a major effect of Lewis and Clark's expedition?(1 point)
Responses

Led to the War of 1812
Led to the War of 1812

Strengthened Native American Land Claims in the Louisiana Territory
Strengthened Native American Land Claims in the Louisiana Territory

Mapped out the Santa Fe Trail
Mapped out the Santa Fe Trail

Encouraged American Westward Expansion

Answer 1

The major effect of Lewis and Clark's expedition was that it **encouraged American Westward Expansion**. Their journey provided valuable information about the geography, resources, and potential for settlement in the western territories, which helped to fuel the idea of Manifest Destiny and the expansion of the United States.