oil spills agriculture I believe are the correct answers
Answer:
The correct answer is letter B.
Explanation:
Answer:
BECAUSE IT'S EFFECTS ARE VERY HARMFULL FOR OUR WORLD IT'S COMPLETELY DESTROYED OUR ECONOMY, OUR SOURCE, OUR industrial areas...
It's called Nullification
<span>They marched on on Washington D.C. because many of the protesters were WW1 veteran that were promised to be paid for fighting in the war. The government did not pay them and said that they postponed the payment, this was during the Great Depression and therefor the veterans were in great need of the money.
</span>