How is it even possible to sell a free citizen

BLACK MARKET

Explanation:

You can take people and sell them on the BLACK MARKET

Back then if the slave owner freed their own slaves, the slaves would be free. But on their journey as being a free slave, some of the free slaves were captured by slave kidnappers. The slave kidnappers would sell those free slaves to earn money.

Explanation:

The reason why I know this answer, is because we are learning about slaves in school right now. We wrote down note of why and how slaves became free, and slaves who were kidnapped.

yes based on alexanders actions he deserved the title of "the great". his empire covered about 3,000 miles and he was able to establish the empire over a 13 year period of time. he was able to conquer many different places. he also defeated the persians. he conquered egypt and developed a city and named it after himself.

a phrase from a poem by ralph waldo emerson about the battle of lexington and concord. emerson's words read, “here once the embattled farmers stood / and fired the shot heard round the world.”