Constantine allowed Christianity to become a religion. Other emperors made Christianity the main religion
I believe 3 is the answer, because I think the U.S bought a part of Mexico.
Tikal was an ancient maya city in Guatemala
Glyph was a symbol of maya script - each glyph was a word or a morphological affix
Codex is a book or collection of hand written papers. A lot of codices tell us about the pre-Columbian cultures
Popol Vuh was an important historical narrative of the K'iche' Maya.
