<span>For settlers to reach the California coast they had to cross the Rocky Mountain chain.The settlers had to cross the Rocky Mountains to reach Oregon's Pacific Coast. </span>
Rivers: Colorado river, Mojave river, Green River, Sevier River.
Mountains Range: San Bernardino and San Gabriel Mountains.
Explanation:
The old Spanish trail was one of the historical trade routes that connected the Santa Fe to California. The trail crosses the mountains, rivers, canyons, deserts. The trail route was used by the Spanish explorers in the late 16th century, for the trade, trappers and different purposes. It was Antonio Armijo in 1829, founded the trail.
The Great Compromise was created because states with larger populations wanted congressional representation based on population, while smaller states demanded equal representation.
In a republic, supreme power is held by the people who exercise it through their elected representatives. The elected individuals represent the citizen body and government leaders exercise power in accordance to the law
Slaves labor was able to to improve the economy by being used for to labor to harvest cotton. Cotton was was King in the south as the south depended so much on it.