Which two events took place after the tiananmen square protests in 1989?

Iwill be giving 15 points to whoever answers the concept of checks and balances means that each branch of governmenta. has its own powers and responsibilitiesb. is clearly described in articles of the constitutionc. has the ability to correct the other branches in case of an errord. is set up so that in case of constitutional crisis, the governement will continue to operate

From 1990 to 2008, by what percent did the world’s most developed economies cut their greenhouse gas emissions?

Brainles asap!me : -how has religious fundamentalism been used by extremists in the middle east?