Answer:
Step-by-step explanation:
United States
conventional long form: United States of America
conventional short form: United States
abbreviation: US or USA
etymology: the name America is derived from that of Amerigo VESPUCCI (1454-1512) - Italian explorer, navigator, and cartographer - using the Latin form of his name, Americus, feminized to America
Mexico
conventional long form: United Mexican States
conventional short form: Mexico
local long form: Estados Unidos Mexicanos
local short form: Mexico
etymology: named after the Mexica, the largest and most powerful branch of the Aztecs; the meaning of the name is uncertain
Government type constitutional federal republic
federal presidential republic