They began go west instead of south
I believe 1 is D because it’s the most one that makes sense
<em>B. North America.</em>
Explanation:
Christopher Columbus actually never explored North America. The first person to explore North America goes to John Cabot, although there are numerous studies on how vikings were actually the first ones to explore North America. John Cabot, also known as Giovanni Caboto, went exploring when he got sent by Henry VII, and found North America in 1497.
1. it stopped the spread of slavery north of the Ohio river
The right answer is B. overseas exploration
