I cannot do this entire thing for you, but I can help.
A cause is the thing that forces something else to happen. So, that could be anything. The effect is what comes after the event.
For example, the driver was texting while driving. That is the cause. He hit a girl. That is the event. He girl was injured. That is the effect.
Hope that helps!
Answer:
I think it might be A
Explanation:
Hope this helps I am not 100% sure
Building dams on the Chagres river to create Gatun lake
Answer:
In the question A: The Pullman Strike was a strike of factory workers in Chicago, Illinois after many workers were laid off and wayes were lowered.
In question this event was of extreme importance as many of the workers were african Americans and it also laucnh different unions
B: Both of the Union groups created a lot of damages causing up to 80 million indamages.
Finally question C: Homestead Strike was important as it was one of the bigger steel factory but however the strike only lasted a few days that did not have many repercussions.
Explanation: