The answer is D. Some pizza recipes...
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.
Answer:
Well one reason why they struggled was because the priest had higher authority than the king himself did but I don't really know why or how it lead to the crusades in the holy land. I'm sorry I couldn't help you fully but I tried.
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