Approximately how many special districts are there in the United States?

The flow of what river through Syria, Lebanon, Israel, and Jordan has added to the conflict between those countries?

A) Nile B) Jordan C) Tigris D) Euphrates

During the period of "new federalism," how has the Supreme Court used the Eleventh Amendment?

A) ?to strike down state laws that are in noncompliance with federal laws B) ?to restrict lawsuits in federal court against public employers C) ?to disallow state laws under the doctrine of preemption D) ?to increasingly protect the authority of Congress E) ?to emphasize the sovereignty of the national government