What supreme court case established the clear and present danger doctrine?

All of the following effects occurred as a result of roman expansion following the punic wars except it brought in great wealth from conquered territories it allowed many romans to buy large farming estates it provided slave labor for the large farming estates it caused the roman economy to decline due to the high cost of war

Which controversial political issue of the 1920 is reflected in the cartoon

Which of president jefferson's actions did not reflect his belief that the federal gov. had only those powers spelled out the consitution