Theodore roosevelt believed that the only checks on presidential power were
the house of representatives and the people.
the senate and corporation leaders.
the constitution and congress.
the federal reserve system and the vice president.

Theodore Roosevelt believed that the only checks on presidential power were :the Constitution and Congress.

Theodore Roosevelt view constitution as the law with the highest authority, which mean that as long as his decision does not violate the constitution, the presidential power would be justified.

The role of congress in checking presidential power reside in its ability to review the governmental budget along with the right to vote whether the legislation should be passed or not.