He wanted to build up the nation's army and navy is the statement among the statements given in the question that was one of the policy changes Thomas Jefferson made when he became president. The correct option among all the options given in the question is the last option or option "D".
It was primarily "the recognition of treaty rights" and "Native American self-government" that prompted the Native American Civil Rights Movement, since many Natives were not being respected at all by the US government.
