The progressive era presidents were considered trustbusters because they a-used government power to promote business competition b-supported the elimination of trade barriers c-encouraged more voter participation in government d- canceled treaties with other nations

The Progressive Era Presidents (Roosevelt, Taft, and Wilson) who served in office between 1901 and 1921 were considered trustusters basically they used government power to promote business competition by breaking up monopolies and trusts found to be restraining trade. OPTION A is the right answer

It's considered to be association or connection