C. Some school systems were shut down instead of integrating schools.
For example, in Prince Edward County, Virginia, the school system was shut down for five years rather than integrate their schools. Other school systems in Virginia were also part of this "massive resistance" movement against the Brown v. Board decision -- a strategy declared by Virginia Senator Robert Byrd.
The correct answer is D, the Savana. These three animal species are not present in the other three ecosystems.
The correct answer is A. religious persecution
The mongol rule occurred at the same time but was not as important as religious persecution. Muslim rule was common earlier during the 6th century, while intellectual oppression was not a recurring issue.
The biggest problem was that they had to get supplies from the United States and since they had to go on ships over the Atlantic ocean, they were easy targets for submarines and other ships that would want to destroy them. This was a big problem since much of the cargo was destroyed before it even reached the coasts of Europe.
Could you restate the question I’m not sure what you’re asking.