Which of these is the major cause for the fall of the Persian Empire? A)
conquest of Persia by Alexander of Macedon
B)
conquest of Persia by the Athenian and Spartans
Х
the huge size of the empire became too difficult to manage
D
conflicts between the upper and lower classes led to political turmoil

A) Conquest of Persia by Alexander of Macedon.

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.