Ninth because thats the amendment would keep national school system
The correct answer is C. Corazon Aquino - (woman). Her son is the current president of Philippines, too. She was the first president of the re-established Republic of the Philippines.
I'm not sure which protesters you are referring to.
I would assume you are talking about Shay's Rebellion, which shows that the Articles of Confederation was not strong enough to fight off "attacks" on the hone front, leading to the Constitution.
Aztecs built chinampas ('floating gardens') in order to provide additional farm lands (answer C). The idea was to grow crops in small rectangular areas (ci. 30 x 2.5 m) on shallow lake beds. Aztecs began to use chinampas in Tenochtitlan in about 1250 AD.