When in doubt, historians should always "<span>C. Search for additional evidence to see which argument it supports" This allows them to reach their own conclusion or confirm the existing one. </span>
(1) Government increased its regulation of business practices.
<span>The Progressive movement attempted to regulate monopolies and break up trusts, this meant they were regulating businesses.</span>
Something that was not the best choice. It made made Panamians very upset, causing many tension to grow between the US and Panama.