The large size is explained by condensation on large smoke particles or by collisions between drops in small regions with particularly high content of liquid water.
je 1852 izšel znameniti roman Harriet Beecher-Stowe "Koča strica Toma"; na jugu pa so se države še vedno močno oklepale suženjstva, njegov obstoj in nadaljevanje pa utemeljevali z različnimi spornimi antropološkimi, socialnoekonomskimi in verskimi argumenti.