is a massive set of structures •  was built to defend a country against invaders •  has been improved and rebuilt several times •  is a symbol of china what is it

List two inventions that were invented in the united states before the american civil war

In the space provided, analyze the pros and cons of establishing smaller ethnic communities within larger communities like chinatown and little italy. use evidence to support your reasoning.

Tori is researching for her blog post about how wearing sunblock can prevent skin cancer, and she finds a page about her topic on the united states centers for disease control website at is this a reliable site for tori’s research? yes, because it is presented by a college or university no, because it is a personal opinion about the subject yes, because it is run by a governmental organization no, because it is intended to advertise a certain product