"...diversity abounds in US church."

Who would think! Historically, the US church just reflects the US as a whole. Today Hispanic immigrants, among others, leak into the US; in years past, it was German and Irish. 250 yeas ago, poor Ben Franklin warned America against too many "swarthy" complexioned Germans entering the country. His own turf (PA) was overrun by them. Today, some Americans worry about the Hispanics and Asians (although 200 years ago, continental US, especially west of the Mississippi River, was primarily brown and red, and sparely settled). Anyway, the CC is true to its identity once again (via James Joyce):  the CC is "here comes everybody," poor and  rich alike, and all colors.