A republic is a country which is not rules by a king (monarchy) prince (principality) or duke (duchy). It can be a democracy, an authoritarian state, a totalitarian state or a dictatorship.
yes
America is an example of a democratic country
Germany invaded Poland in 1939, and before that, since 1918 (when Poland gained its independence), it was a democratic country (however, wioth a kind of authoritarian government).
The father of democracy in the Philippines is considered to be Benigno "Ninoy" Aquino Jr., a prominent figure in Philippine politics and a staunch advocate for democracy and civil liberties. He was assassinated in 1983, sparking widespread outrage and eventually leading to the People Power Revolution in 1986, which led to the ousting of the authoritarian regime of President Ferdinand Marcos and the restoration of democracy in the country.
The people of that country which is following the democracy are the real owners of the democracy of that country.
Israel and Turkey both became functional parliamentary democracies at roughly the same time 1949-1950. (Prior to this the Republic of Turkey was an authoritarian republic.)
China
she restored the democracy to the country
Representative democracy
One party systems are generally not democratic at all by definition, indeed they are the opposite to a democracy -- being Authoritarian states. Democracy is about choice; in one party states they have abolished the opposing parties meaning there is no choice and the one officially approved party rules the country as dictators.
North America isn't a country, it's a continent.