What were the wobblies back then during the time of World War 1/2

''It  led a handful of strikes against industries necessary for the war effort. But the Wobblies were called traitors and became the targets of more vigilante violence.''

the dominoes began to fall. the surrender at appomattox took place a week later on april 9. while it was the most significant surrender to take place during the civil war, gen. robert e. lee, the confederacy's most respected commander, surrendered only his army of northern virginia to union gen. ulysses s. grant

explanation:

number 4. should be the correct answer