Answer:The 100 Year Starship (100YSS) is a joint U.S. Defense Advanced Research Projects Agency (DARPA) and National Aeronautics and Space Administration (NASA) grant project to a private entity. The goal of the study is to create a business plan that can foster the research and technology needed for interstellar travel within 100 years.
In the passages, the author gives a few details that develop the idea that establishing a colony at Roanoke was going to be difficult because of the Native Americans. The author says, "not all relations between the colonists and the Native Americans were friendly." He expands on this when he states, "some Native Americans were still angry about the colonists' presence and threatened to do battle." The Native Americans who did not want the English colony at Roanoke made it difficult to establish a colony.
D . About 100 trillion stars.
Answer:
Siento mucho no poder ayudarte, animos
Explanation: