Answer:
Coal
Explanation:
The main resource used to produce energy during the Industrial Revolution was coal. The early uses of wind, water and wood for energy were replaced by coal, which could produce high levels of heat, power machines that were much more efficient and replace slow, manual labor.
Unitary states contrast with federal states, such as the United States, in which power is shared between the federal government and the states. (The states themselves are unitary.) More than 150 countries are unitary states, including France, China, and Japan.
<span>c.The United States enforced a military quarantine in international waters. </span>
