If you're referring to the militarization and aggression of Germany, there's a lot of debate as to why these nations didn't intervene earlier. The general consensus is that nobody believed Germany would take it as far as they did.
Answer:
The hydrologic cycle is important because it is how water reaches plants, animals and us! Besides providing people, animals and plants with water, it also moves things like nutrients, pathogens and sediment in and out of aquatic ecosystems.
"...it is appropriate to centralize authority."
Centralized authority is the right to command immediate subordinates. This exist in an organizational management structure, where all of the decisions and orders come from the top levels of the organization. The top level is the one who coordinates, monitors, and assesses the activities needed to accomplish certain tasks.
I believe that McCarthy was exposed for being a fraud. Hearings were broadcasted that showed how he intimidated witnesses and had asked abrupt questions. Interviews that had basically took away our basic civil rights.
