Reforms moved the economy to one in which government regulations prevent abuses of economic power

This is a progressive reform. A movement for reform that happened approximately between 1900 and 1920. Progressive Reforms were encouraged by the political philosophy of Progressivism and the effect and effort of reformists called Progressives who are comprised of protestors, experts and social critics. Progressives normally held that reckless actions by the rich were mortifying both public and private life. 

d) the constitution rights of native americans and their right to self-government on reservations

there are many ways of getting involved on your local party. attached you will find the brochure that describes some ideas: go ahead and visit your local hq, become a volunteer on your comnunity or struggle up for your own ideas so you can make them real.