Which rivers and mountain ranges did settlers have to cross when following the santa fe trail and the old spanish trail to california?

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 phenomenon that would be cited as evidence of increased economic interdependence between europe and the americas is  the development of mercantilism.

this theory suggests that the wealth of a country depends on its economic assets, or capital.

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regarding the law, the 15th amendment was specifically designed thinking in the rights of black free men.

even though ratified on february 3, 1870, the promise of the 15th amendment would not be fully applied for a long time.poll taxes and literacy tests would allow southern states disenfranchise african americans. only in 1965 the voting rights for african americans would be actually able to vote in the south.

in 1965, president johnson signed the voting rights act, which aimed to overcome legal barriers that prevented african americans from voting as it was guaranteed by the 15th amendment to the u.s. constitution.