Answer:
Slavery.
Explanation:
The Civil War started because the Northern states wanted to abolish slavery and the Southern states wanted to keep their slaves.
Answer:
D. Competition leads to efficiency.
Explanation:
Mercantilism was a set of practices that aimed to strengthen the wealth of European states, by establishing a strong trade and expanding the economy resulting in the promotion of the enrichment of the bourgeoisie that could pay more taxes.
During this period of time, sea expeditions were heavily influenced to find new markets for local trade, the sense of economic competition between countries also began, which promoted a better quality of products to be stipulated. In this way, it was believed that competition was driving the efficiency of production processes.
Answer: C) protected plebeians against unjust treatment by patricians.
The tribune was the title of several elected officials in ancient Rome, most importantly the Tribune of the Plebs and the Military Tribunes. The Tribune of the plebs acted as a check on the authority of the senate and the annual magistrates, intervened on behalf of plebeians and vetoed unfavourable legislation.
Moreover, the plebeians obtained protection from the Law of the Twelve Tables. This legislation was at the foundation of Roman law. It was displayed in the Forum and stated the rights and duties of Roman citizens.
The executive branch of any state government is headed by the governor.
Hope this helps. : )