Yes Farmer Bob still has an opportunity cost
His opportunity cost hasn’t changed it’s still 2 bushels of potatoes for every 1 bushel of carrots he grew.
The invention of the telegraph decreased the usage of the pony express because now they had a faster and more efficient way rather than having to wait longer , which then put the pony express out of market.
Answer:
free African Americans
Explanation:
got it right. hope this helps!!
Answer:
Explanation:
UNDP - united nations development programme (ILO) - International Labour Organization