The answer is letter D.
Explanation: Pericles was born in one of the noblest families of Athens, the Alcmeônidas. He had a strong character, was sober, incorruptible and reserved. Was elected a quarterback without interruption, from 443 BC to 429 BC. He had a great ancestry over the city of Athens.
His authority was great, and the period of his rule was known as the Pericles Era. The historian Thucydides states under Pericles' leadership Athens, though a democracy, was directed by the best citizen.
The foundation of Jim Crow laws was that the "African Americans are culturally and intellectually inferior to white people."
The Kansas-Nebraska Act allowed each territory to decide the issue of slavery on the basis of popular sovereignty. Kansas with slavery would violate the Missouri Compromise<span>, which had kept the Union from falling apart for the last thirty-four years.</span>
I believe the answer is: positive externality
Positive externality refers to The benefit that enjoyed by a third party when the first and second party are conducting a transaction.
When you receive a vaccines, you prevent yourself from becoming a host that could contaminate other people from getting the virus. In the example above, you and your children are the first and second party. And other children are the third party.