Pls hurry I’m being timed

What principle did president truman invoke in sending u.s. troops into south korea without first asking congress to declare war?

Which statement best describes standard oil in the late 1800s? standard oil controlled only a small number of the nation’s oil refineries. standard oil was a single business that operated in a small region. standard oil controlled only the means and methods of oil production. standard oil owned ninety percent of all oil refineries in the united states.

How does fortas defend the majority decision that free speech in school is constitutionally protected