Answer:
The answer is C.
Explanation: The Pullman strike of 1893 involved state and federal troops in order to kept under control.
European exploration, exploration of regions of Earth for scientific, commercial, religious, military, and other purposes by Europeans, beginning about the 4th century BCE.
Kamikaze aircraft were essentially pilot-guided explosive missiles, purpose-built or converted from conventional aircraft. Pilots would attempt to crash their aircraft
President , government , congress
Loaf is a verb when used in that context, it means to idle one's time away, typically by aimless wandering or loitering.