Pick a strike that occurred in the U.S. sometime in the last 10 years. What do you think caused that strike?

Pick a strike that occurred in the U.S. sometime in the last 10 years. What do you think caused that strike? Make sure you point to specific evidence to support your claim. Now suggest how that strike illustrates a general explanation of strike occurrence. Describe what kinds of additional information or data you might need to determine which theory of strikes explains why a strike occurred in the case you selected.