Answer: The collapse of the Berlin Wall.
Explanation: The collapse of the Berlin Wall as the culminating point of the revolutionary changes sweeping East Central Europe in 1989. Throughout the Soviet bloc, reformers assumed power and ended over 40 years of dictatorial communist rule. The reform movement that ended communism in East Central Europe began in Poland.
Answer:
Emily's opportunity cost of producing 1 milkshake is 1 ice cream sundae.
Ben's opportunity cost of producing 1 milkshake is 0.5 ice cream sundae.
Explanation:
Both Emily and Ben own an ice cream parlor.
In an hour Emily can produce 40 milkshakes or 40 ice cream sundaes.
Emily's opportunity cost of producing a milkshake is
= 
= 
= 1 ice cream sundae
In an hour Ben can produce 20 milkshakes or 10 ice cream sundaes.
Ben's opportunity cost of producing a milkshake is
= 
= 
= 0.5 ice cream sundae
We see that Ben has a lower opportunity cost of producing milkshake, so we can say that he has a comparative advantage in producing milkshake.
Explanation:
I think it will help you otherwise comment...
The answer is checks. Older people use check as they're a lot more simple than technology today.