Answer: In grammar, agreement is the correspondence of a verb with its subject in person and number, and of a pronoun with its antecedent in person, number, and gender. Another term for grammatical agreement is concord. I HOPE THIS HELP
Explanation:
That sentence is complete because it has both a subject and a predicate. It is also and independent clause.
Answer:
Me can answer lol but i already helped.
Read the comments people!
C.
Most civilizations that thrived for long periods of times expanded into surrounding territories.