Answer:
correct option is B Schenck v. United States
Explanation:
we know that on on March 3, 1919 Schenck v. United States
Supreme Court of U.S. rule that freedom of speech is protection afford in United State Constitution 1st Amendment prospective restrict if words are spoken and printed represent to society a clear and present danger
it was decided by White Court at District Court for the Eastern District of Pennsylvania
so here correct option is B Schenck v. United States
C its a stream, because thats a smaller part of a river
A depression in the ground due to a cave collapse or acidic water dissolution of limestone is called a B)sinkhole. The collapse has usually happened on the surface layer of the ground. There are many notable examples of sinkholes which can be found around the world, which have become touristic sites. Sinkholes can be caused because of both natural and artificial processes.