I think it is sales because all the questions seem offf because computers weren’t created until mid 1900
Answer:The elimination of trade barriers greatly benefited EU consumers in terms of increased choices for goods and services
Explanation:
The correct answer is substance-related
Explanation: Substance-related disorders involve drugs that directly activate the brain's reward system. Activation of the reward system usually causes feelings of pleasure; The specific pleasure sensations evoked vary widely, depending on the drug. These drugs are divided into 10 different classes that have different but not completely different pharmacological mechanisms.
