A. They prevent government from becoming too powerful.
Explanation:
When it was time to write a new constitution, the Founders took the principles outlined in the Declaration as their source. Having recently overthrown the oppressive authority of the English, they least wanted to impose a new oppression on themselves. Consequently, its basic task was to devise a government that was strong enough to protect the fundamental rights of the individual against domestic and foreign oppression, without being so powerful or extensive as to be oppressive. Towards that end, the document they wrote, after being ratified, empowered the government and government powers, and then slowed and balanced them through a series of extraordinarily thoughtful measures.
The main way in which the <span>federal system helps prevent the centralization power is that it reserves a good deal of power for the individual states--meaning that this power "checks" the power of the central (federal) government. </span>
