WHAT IS A PLANTATION (based on slavery information)

A plantation is:

In the early 17th century, when the British colonized what would later become the United States of America, the crown offered large plots of land to settlers as an incentive for them to make the grueling journey to a strange and harsh new world. Many of the settlers who took the deal combined their properties into larger settlements—in the South, these eventually became plantations, given their focus on agriculture—with the wealthiest and most powerful men governing these microcosms. As these landowners needed immense manpower to maintain their plantations, they turned to slavery, importing captured peoples from Africa as forced laborers.

Explanation:

a plantation is an estate on which crops such as coffee, sugar, and tobacco are cultivated by resident labor

Explanation:

i think the life is invaluable.

you can also say immeasurable.