It is considered a happy family because parents would have better opportunities to spend with their children ,and the cost of living for a small family would be really low
The best answer here would be:
<span>A. popular sovereignty.
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<span>A popular sovereignty is the idea that the governing of the state is in the hands of the people of that state, who govern through their elected representatives. </span>
You mean a strong Central government. They wanted a strong government to prevent conflicts among the states, and to display political power. If the states had too much power, then you couldn't call it the United States.