Stumped by 640 acres crossword clue? Here’s the answer!

The answer to the crossword clue “640 acres: Abbr. is SQMI” is “section“. In the United States, land is often divided into square miles, which are abbreviated as “SQMI“. A section is a unit of land measurement that equals one square mile or 640 acres. This was initially established by the US government to enable the sale and settlement of land in the western part of the country. Hence, the answer to the crossword puzzle question is “section“, which is a commonly known term in land measurement and real estate.