Here is the answer to the given question above. Based on the given sample sentences, the best way to combine the sentences using a semicolon would be this: <span>The world’s nations must cooperate; one nation cannot solve the world’s problems by itself. The correct answer would be the second option. Hope this helps.</span>
C.
Most civilizations that thrived for long periods of times expanded into surrounding territories.
Do you mean chivalry?
chiv·al·ry<span>ˈSHivəlrē/</span>nounthe medieval knightly system with its religious, moral, and social code.<span>historicalknights, noblemen, and horsemen collectively."I fought against the cream of French chivalry"the combination of qualities expected of an ideal knight, especially courage, honor, courtesy, justice, and a readiness to help the weak.<span>synonyms:<span>knight errantry, courtly manners, knightliness, courtliness, nobility;<span /></span></span></span>
45 is the correct answerrrr