In 1998, President Bill Clinton signed the resolution, and by December 1999, the Martin Luther King, Jr. National Memorial Foundation was accepting design proposals.
Which best explains why the Phoenician alphabet was developed? to aid in land conquests to help trade transactions to educate the government to stop foreign invasions.
The Latin alphabet evolved from other alphabets before it, specifically the Greek alphabet and the Phoenician alphabet before that. No one person was responsible for the development. If you take a look here and scroll down a bit, you can see a chart comparing the three alphabets side by side.