I believe the answer is B Blockade runners
Answer:
The Greco-Persian Wars (also often called the Persian Wars) were a series of conflicts between the Achaemenid Empire and Greek city-states that started in 499 BC and lasted until 449 BC.
Combatants: Achaemenid Empire, Sparta
Includes event: Ionian Revolt, Battle of Marathon
Explanation:
I hope it helps sister.
Answer:
Gaines v. Canada, 305 U.S. 337 (1938), was a United States Supreme Court decision holding that states which provided a school to white students had to provide in-state education to blacks as well.
A reinforcer that allows a student to escape from an unpleasant situation is called a negative reinforcer.
A reinforcer is a person who guides and influences the future behavior of an individual. The act of reinforcing the good or bad is called reinforcement.
Negative reinforcement refers to the process by which the reinforcer takes away the student from any unpleasant situations and helps him escape. However, continuing this method might affect the behavior of the student, and he might take it for granted that anytime he does something unpleasant, he will be saved by someone. Due to this negative effect, this reinforcer is called a negative reinforcer.
Positive reinforcement helps the student to understand the situation and handle it on his own. It teaches him the independent manner of behavior.
To know more about reinforcement,
brainly.com/question/24322078
#SPJ4
