Bill wants to display a positive attitude. he should

Be kind and loving :)
He should not be mean to other
He should be upbeat

The coast of north america , basically yes newfoundland , i would say c , good luck

One of the things that allowed native americans in mexico to settle cities larger than those in areas to the north was "b. the development of cities that were built by an earlier civilizations," since mexico had been the home of some of the world's most advanced civilizations before the columbian invasion