3 examples of broad-based in sentences

Franklin, a self-made man, believed in democracy and doubted the efficacy of the Constitution unless it was, like a pyramid, broad-based upon the will of the people.

In a free monarchy, a republic, or a democracy, the pyramid of political organism stands, not on its point but broad-based and four-square, tapering upward to its final apex.

All look like grand and important public structures, except perhaps some of the lower pyramids, broad-based and sharp-pointed, covered with down-flowing talus like loosely set tents with hollow, sagging sides.

3 examples of  broad-based  in sentences