I believe it is the 1st one but may be the 2nd one.
Answer:
boston tea party? i think not sure tho
The age of the universe, the identity of quasars, and the existence of dark energy.
There are many countries that participate.
It's a lot to list so if you go to Maps of World 2016 Summer Olympics Participating Countries, you can see all recent countries that participated. This way you can also give credit to that site.
Answer:
Explanation: In 1911, California voters approved the constitutional processes of initiative, referendum, and recall. Through these processes, voters can adopt a change in law (an initiative), disapprove a law passed by the Legislature (a referendum), or remove an elected official from office (a recall).
