Calorie
(Calorie most specifically means the amount of energy needed to raise one gram of water by one degree celsius.)
*But in the context of nutrition, we use calorie to describe how much energy a food contains and can transfer to the body. For example, a banana has about 105 calories. The average human adult needs about 1800-2000 calories per day depending on size and activity level.
When a country is more specialized, it's able to make something or know how to make something better. If two countries are specialized in different areas, they can each trade their advanced goods instead of each country making moderately good products.
Export means shipping goods out of the country. This means that it depends on the country to say what was the export, one country's export in another's import.
For Europe, the export was textiles and rum,
For Africa, it was the slaves,
For America, it was sugar, tobacco and cotton.
Common Sense in January 1776 support of the Patriot cause. Using clear, plain language, Paine rallied the colonists to support the break from Britain. In arguing for American independence, Paine denounced the monarchy and argued that people are born in to a state of equality