River systems were important to the development of the United States because they (1) allowed Americans to travel easily between the east coast and the west coast
(2) prevented foreign invasion of United States territory
(3) provided routes for shipping agricultural and manufacturing products
(4) made the southeast the major destination for immigrants

3. define historiography. has historiography changed over time or stayed the same? why is this distinction important? use complete sentences for your response. (4 points)

Globalization is the process of the world becoming more connected. like any process that involves economic choices, it has positive and negative consequences. (essay prompt)

Awaiver of the requirement for documentation of informed consent may be granted when: the investigator has no convenient place to store signed consent forms separate from the research datathe only record linking the subject and the research is the consent document and the principal risk is a breach of confidentiality.potential subjects might find some of the research questions embarrassing, personal, or intrusivethe subjects are literate in their own language; however, they do not read, write, or speak english