To do this, you must first find an attention getter that connects with your thesis statement.
For example:
"Japan had attacked Pearl Harbor! This means war!". A famous headline that showed up on the days ahead of the Attack on Pearl Harbor in December 7th, 1941. With this sneak attack, the war took a turn, as the US joined the Allies side. But how did this even occur? What was the purpose behind it?
[Continue to talk about events leading up to it].
hope this helps