Respuesta :

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.

Answer:

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.