Slavery was abolished on december 6, 1865. what process was used to abolish slavery?

Bull files a suit against clay in a state court over payment due on a short-term lease of grazing land. the case proceeds to trial, after which the court renders a verdict. the case is appealed to an appellate court. after its review of bull v. clay, the appellate court upholds the lower court’s verdict. the appellate court has:

He chart shows the 112th u.s. congress (2011–2012). based on the information in the chart, if the independents in the senate chose to vote with the republicans in the senate, the republicans would

Chen's research team randomly assigned some newborns and their mothers either to a breastfeeding promotion group (where breastfeeding was encouraged, but not required) or to a normal pediatric care group (where breastfeeding was neither encouraged nor discouraged). which research method did they use?