One kind of evidence that supported wegeners hypothisis

Government powers not provided to the national government in the us constitution but are rather given to the states by the 10th amendment is called?

How does an appellate court differ from a trial court a. an appellate court usually has a jury b. an appellate court decides issues of facts c. an appellate court examines more witnesses d. an appellate court reviews another courts decision

The soviet union and the united states believed in two very different economic systems. what were the names of each?