Where did these ideas come from?
17th and 18th century European Enlightenment
ushistory.org
What ideas influenced the creation of the u.s. government?
natural rights, popular sovereignty, republicanism, and social contract
khanacademyorg
Is the government still true to these ideas?
yes
we still have :
democracy & elections
civil society that protects rights like the aclu
constitution may have been changed but has not been replaced like in some other countries