Cooperation
A bit more info: Cold War tensions between the U.S. and the Soviet Union from 1967 to 1979. The era was a time of increased trade and cooperation with the Soviet Union and the signing of the Strategic Arms Limitation Talks (SALT) treaties
"A laissez-faire economy gives businesses more space and autonomy from government rules and regulations that would make business activities harder and more difficult to proceed. Such an environment makes it more viable for companies to take risks and invest in the economy."
<span>Assuming that this is referring to the same list of options that was posted before with this question, <span>the correct response would be through a "mutual understanding," since this was the purpose of the Berlin Conference. </span></span>
The continental line is the name of it, if thats what you were asking, Hope it helped! (: