Why did jamestown adopt the headright system?

It needed labourers to wirk the land.

Explanation:

The headright system began in Jamestown, Virginia in 1618. It was seen as a solution to the lack of workers in the lands considering that the tobacco economy required large plots of land with many workers.The headright system also served to attract new colonists because people were given land in exchange for settling and working on it.

the protestant reformation's started in 1517, disturbing the religious and political order in europe´s catholic countries. the outcome was the european wars of religion prosecuted in europe in the 16th, 17th and part of the 18th century. nonetheless, uprisings, territorial disputes, and great power conflicts were also causes of the wars.  

a. the astrolabe could determine the correct latitudinal location of the ship