Answer: Prior to
Explanation: Picking "prior to" is basiclly saying do this and this BEFORE you leave the house. While as after is once you leave the house do all of thoes things which wouldn't make sense.
1830's-1840's is when The Adventures of Huckleberry was set
B.) 24 Horse and 50 Humans
All have one head each 24+50 = 74
Horses have 4 legs so 24*4= 96
Humans have 2 so 50*2= 100
Total legs: 196
Total heads: 74
