Which line from the passage suggests that poverty could lead to unrest?
"It is true that wealth has been greatly increased."
"The association of poverty with progress is the
great enigma of our times."
“There is ... a widespread feeling of unrest and
brooding revolution.”
“It must be a leap upward, which will open the way
to advances yet undreamed of.”

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.