1. Its domestic political system could not serve as a brake to stop such attempts.Its domestic political system could not serve as a brake to stop such attempts.
2. After World War I, which embroiled the world, the movement for self-determination gained momentum and put brakes on colonization that had been underway.After World War I, which embroiled the world, the movement for self-determination gained momentum and put brakes on colonization that had been underway.