Before the Constitution could go into effect, of states were required to approve it.

Should the government in china restrict the rights to the media/social media? why or why not?

Chen's research team randomly assigned some newborns and their mothers either to a breastfeeding promotion group (where breastfeeding was encouraged, but not required) or to a normal pediatric care group (where breastfeeding was neither encouraged nor discouraged). which research method did they use?

According to the aztec history, how did the aztecs know where to build their new city of tenochtitlan? why was this a good location?