<em>You can not change the past.You can not change the future.You are able to change the present.</em>
Research has found that before children imitate adults, they:<span>
tendency of children to copy an action that is not a relevant part of
the behavior to be learned; common among 2- to 6-year-olds when they
imitate adult actions that are irrelevant and inefficient.</span>
The correct answer is hypothalamus
Explanation: The hypothalamus acts on the regulation of temperature, appetite, thirst, sleep cycle and autonomic nervous system.
US government has a limited power because it cannot do certain things, and specifically it is not allowed to breach certain individual freedoms: so it can be said that the motivation for a limited government is to protect individual freedoms.
See for example the text of the first amendment:
"Congress shall make no law respecting an establishment of religion, or prohibiting the free exercise thereof" - this limits the power of the government so that people have a freedom to practice their religion.