When Theodore Roosevelt became head of the Civil Service Commission, he lobbied Congress and made significant changes to the system. (Select all that apply.) He developed a job classification system. He created a jobs survey for federal workers. He established conditions laid out in rules for the firing of staff. He reduced the budget of the Commission in an effort to reduce spoils

cherokee and arikara

possible the invasion of room could have been avodiable but the people of rome were to stubboron and to wealthy the kingdoms saw them as a threat if they dialred it downa   bit ten i dont think they wouldnt failed   china was not iacvvdoaible they caused war to much and were out of hand therefor that must have happened india i dont really know it could of

the answer is alexander graham bell.