In 1893, British inventor introduced his photographic system, which used translucent paper (a negative) and was so sensitive that it permitted exposure times as short as a few seconds.

William Henry Fox Talbot

Explanation:

In 1893, British inventor William Henry Fox Talbot introduced his photographic system, which used translucent paper (a negative) and was so sensitive that it permitted exposure times as short as a few seconds. William Henry Fox Talbot has been called as the father of the negative-positive photographic process.

protectionism fosters competition and keeps price regulated is not an argument in favor of protectionism.

answer; specific deterrence;