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 Phoenician writing system is, by virtue of being an alphabet, simple and easy to learn, and also very adaptable to other languages, quite unlike cuneiform or hieroglyphics. In the 9th century BCE the Aramaeans had adopted the Phoenician alphabet, added symbols for the initial aleph and for long vowels.