There was more than one technology that was developed at the time, but one technolgoy that surely made a strong impact and also enabled Europe becoming the dominant military force was the invention and perfection of military tactics together with muskets and cannons. This made them practically unstopable against any native population around the world.
I thinks it's c let me check quick
Answer:
They are so important because they handle all foreign affairs.
Explanation:
The Austonian (Austin), Trammell Crow Center (Dallas), continental Center I (Huston)