Signs for gas such as the one in this photograph resulted from — *

A. an embargo by the Organization of the Petroleum Exporting Countries
B. implementation of the Soviet Arms Limitation Treaties
C. a decrease in availability of oil refinery workers
D. an increase in Cold War tensions with the Soviet Union

i dont know but i need points

freedom of speech is also protected by the 1 amendment.

explanation:

here is pretty much what the 1st amendment says:

congress shall make no law respecting an establishment of religion, or prohibiting the free exercise thereof; or abridging the freedom of speech, or of the press; or the right of the people peaceably to assemble, and to petition the government for a redress of grievances.