Which european settlers first settled what is now the western united states?

the spanish

the british

the dutch

the french

The Spanish, because later California was fought between the U.S and the Mexicans, U.S won. These settlers came from Spain.

Hope this helps. If it does please give me brainliest answer.

william marbury filed suit against secretary of state james madison because madison refused to deliver the justice of the peace commission former president john adams awarded marbury under the organic act of 1801.

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