Pioneers who crossed the Sierra Nevada Mountains where threatened by...

president thomas jefferson commissioned the expedition shortly after the louisiana purchase in 1803 to explore and to map the newly acquired territory, to find a practical route across the western half of the continent, and to establish an american presence in this territory before britain and other european powers

-an amendment is proposed.

-two-thirds of congress must approve.

-thee-quarters of states must approve.

-the proposed amendment becomes law.

hope this

darwinism is survival of the fittest there for social darwinism is the survival of the wealthiest

the anwser is missions