Answer:
the Korean War and the Vietnam War
Explanation:
it's my answer, so yeh
The spark that set off World War I came on June 28, 1914, when a young Serbian patriot shot and killed Archduke Franz Ferdinand, the heir to the Austro-Hungarian Empire (Austria), in the city of Sarajevo. The assassin was a supporter of the Kingdom of Serbia, and within a month the Austrian army invaded Serbia
Underground railroad and harriet tudman
The constitution was created by the supreme law