Fine mineral, metal, soot, smoke, and dust particles suspended in the air can harm our lungs. For health reasons, we are most concerned with inhalable particulate matter less than 10 microns in diameter (PM10), and less than 2.5 microns in diameter (PM2.5).
Queen Liliuokalani was Queen of Hawaii she was born September 2nd 1838.she was the only American queen born i Hawaii.
Important for commercial/economic reasons - sugar plantations, refueling station at Pearl Harbor, on the trade routes to Asia. Military base in the same harbor also. Queen Liliuokalani wanted to get rid of the Bayonet Constitution and started Hawaii for Hawaiians. Rich plantation owners lead a revolt and overthrew Queen Liliuokalani. Sanford Dole sent as leader of the new Hawaii republic.