Which inventor created the traffic signal? thomas edison madame cj walker garrett morgan george westinghouse henry ford

The answer is Garrett Morgan

after the roman empire fell, some of its cultural achievements lasted for some time and others were lost. lost achievements include architecture , coins, and literacy. however, several things remained, such as the language. people may not have spoken this language in every city, but it influenced the languages they did speak. they also created the julian , which was commonly used until the eighteenth century.