The US acquire control of the Philippines, Puerto Rico, and Guam as a result of the Spanish-American War.
During<span> the high </span>Middle Ages<span>, the </span>Roman Catholic Church<span> became organized into an elaborate hierarchy with the pope as the head in western Europe. He establish supreme power.</span>
I would say 30,000 cause all the next developments were from the 1860's forward and that is when huge growth happened, after 1860.
