Which of these played the biggest role in the economy of ancient Greece?

Which of these did the soviet union do in 1961? it built a wall through berlin to keep people from moving to the west. it used force to destroy a wall the united states had built in berlin. it convinced the british and french to merge their zones in berlin with the soviet zone. it threatened to bomb berlin if the united states did not leave within 30 days.

The eastern roman empire is also known as what empire

Which combination would the president most likely use to convince congress to pass an economic stimulus bill?