Because the Hebrews were vulnerable
In 1619, the first Africans were brought to the colony of Jamestown, Virginia.
Answer:
The correct answer is A) The invention of a steel tipped plow and a reaper
Explanation:
The invention of a steel tipped plow and a reaper helped the farming industry to develop in the west.
While it seems like an ordinary tool by modern standards, the steel tipped plow was a revolution in it's day. Being strong and sturdy, it greatly improved the efficiency of ploughing and farming.
Before Steel, most people used hard wood plow which were expensive, easily damaged and not very efficient.
The reason why Lincoln referred to the right of each state to control its own affairs was "<span>2. to affirm his belief in popular sovereignty," since his primary goal was "preserving the union"--not ending slavery. </span>