How the Aztec built an empire, explain tribute ?

The Aztecs built alliances, or partnerships, to build their empire. The Aztecs made the people they conquered pay tribute, or give them cotton, gold, or food. The Aztecs controlled a huge trade network. Markets drew buyers and sellers from all over the Aztec Empire.

Explanation:

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.

the of atp are the key to its ability to store and supply energy;

phosphate

the phosphate groups of atp are the key to its ability to store and supply energy. atp releases energy when it breaks bonds between its phosphate groups.