The U.S. Supreme Court ruled in 2005, however, that federal authorities could continue under federal law to prosecute California patients and providers engaged in the cultivation and use of marijuana for medical purposes.
A quick guide to using the colon. A colon is made up of two dots, one placed above the other. One common use of the colon is to introduce a list of items. For example: To make the perfect jam sandwich you need three things: some bread, butter and strawberry jam. Three items are listed in the sentence above.
Semicolons, Colons, and Dashes. Semicolons. Use a semicolon to separate two related independent clauses (clauses that can stand as sentences on their own) that are not linked by a comma and coordinating conjunction (and, but, for, nor, or, yet, and so). Jill did three hours of homework today; Jen did five-and-a-half.