After Germany surrendered to sign,the Allied Nations signed as well HOWEVER America turned against the Treaty of Versailles and this chose not to sign. A few other countries signed as well, but those were the main.
Answer:monarchy is a dangerous type of government.
Explanation:
You are correct! "<span>A cease-fire agreement created a demilitarized zone along the 38th parallel." is the correct </span>answer.
It would be an "effective secondary source document" that best describes a chart developed 20 years after a historical event, since the information as had time to "settle"--although of course this doesn't automatically mean that the chart is "effective". hope this helps :)