Answer:
Correct answer is Pacific Railway Act.
Step-by-step explanation:
First option is not correct, because although it was passed in 1862 it refers to claims over land.
Second option is correct as the Pacific Railway Act enabled the creation of railway that will go to Pacific.
Third option is not correct as it refers to document passed in 1887 that refers to division of land of Natives.
Last option is not correct as this is not a formal name of any document.