The correct answer is: "the destruction of the LA Times building in 1910".
The event is known as the Los Angeles Times bombing was a intentional attack planned and perfomed by a member of the union named the International Association of Bridge and Structural Iron Workers. 21 employees were killed and more than a 100 injured. The perpetrators were arrested and sentenced, and their trial became an outstanding event in the American labor movement.
The Yalta Conference was held in the country of Russia in the city of Yalta, hosted by the Soviet Union.
Here to help! If you were a farmer or a trader, your spot on the hierarchy was rather low. If you were a rich landlord your spot was rather high and you had a lot of money. Hope this helped!!
I believe the last one would be barley