One of the main problems with the indian reservation system was that government agents
took land from settlers to give to american indians.
dealt dishonestly with american indian families.
did not understand the power structure of american indian tribes.
gave land to settlers who removed american indians.

(pretty sure its not b.)

by 1890, the united states had by far the world's most productive economy. american industry produced twice as much as its closest competitor--britain. but the united states was not a great military or diplomatic power. its army numbered less than 30,000 troops, and its navy had only about 10,000 seamen. britain's army was five times the size of its american counterpart, and its navy was ten times bigger. the united states' military was small because the country was situated between two large oceans and was surrounded by weak or friendly nations. it faced no serious military threats and had little interest in asserting military power overseas.

most drivers errors for every 20 decisions they make while driving.

explanation:

mark brainliest!