The answer is B. Ronald Reagan.
Before he was President of the United States he was president of the Screen Actor's Guild.
He thought he could free slaves in the rebel states becuz he thought that if he frees slaves than there will be more men in his troops he could use those free slaves to increase the men.and he didn't free slaves in the union part becuz people are already getting mad at him. the reason for this is that all the free slaves are going to take the white peoples jobs in the union.and Abraham didn't want the unions to be more mad at him and eventually go against him
Answer:
It Abolishing
Explanation: in this the of reinforcement, there is a decline in the reinforcing efficiency of a an object, stimulus, and even an event as a result of a motivating operation. Food ingestion decline (abolishes) the reinforcing food efficiency or food effectiveness.
Motivation operation are simply defined as those factors (behavior) that promote or behind a behavior that is being displayed. They usually influenced a behavior in a positive or negative way. An abolishing operations always have an effect on the reinforcer value by decreasing it example is Jane was thirsty and went to the fridge and pour herself orange juice and then she drank it after drinking it, the value or degree of thirst of the reinforcer decrease drastically or slowly.
Sir Walter Raleigh established a colony on Roanoke Island.
Hope this helps fren <3 xxx