Answer:
SERF
(Middle Ages) a person who is bound to the land and owned by the feudal lord
Slave
D. Mountains and Basins.
Hope this helps!
Try reading the book, I know that will have ALL of the answers you will need to be successful.
The answer to this question is <span>Tesla released all their patents to help the electric car industry .
By releasing the patent, now Tesla has opened up a chance for other experts to analyze Tesla's design and imporve the chance of new discovery for that certain product. This will definitely make a lot of potential improvements for electric cars in the future even though Tesla will not has the sole ownership of it.
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