What resulted in the single bloodiest day in american history at the battle of antietam?
marching troops forward in close order against newer, more accurate weapons
amassing the largest armies ever in one place
confederate troops unexpectedly using guerilla tactics
union troops outnumbering confederate troops 2 to 1

Actually he answer is A because they just got done with the revolution so they were used to older guns and technology made the guns more accurat

Cherokee  removal, part of the trail of tears, refers to the  forced  relocation between 1836 and 1839 of thecherokee  nation from  their lands ingeorgia, south carolina, north carolina, tennessee, texas, and alabama to the indian territory (present day oklahoma)  in  the thenwestern united states, and the resultant deaths