(PLEASE HELP I NEED TO PASS GIVING BRAINLIST)Why is the workers' protest at the Winter Palace in January 1905 known as Bloody Sunday?
O The workers presented a petition to the tsar that spoke of injuries in the workplace.
The workers would soon be forced to fight in the Russian army in World War I.
O Dozens of guards were killed when the workers attacked the palace.
O Many workers were killed when police were ordered to shoot them.