Which of the following best describes why the fall of the Berlin Wall served to increase international trade?

a)The fall of the wall led to more government control of private businesses.

b)The fall of the wall led to increased regulations and tariffs on imported goods.

c)The fall of the wall improved relations across Europe, while also leading to reduction in trade barriers within Eastern Europe and increased interest from MNCs.

d)The fall of the wall led immediately to a common currency across Europe in the early 1990s.

Outsourcing business functions to other countries_increase OR decrease_____international trade.