How were european nations affected by the five treaties established at the end of the war?
a. the balkan countries ended their lengthy ethnic struggles.

b. hungary, yugoslavia, poland, and czechoslovakia lost their freedom.

c. new boundaries caused hungary to lose most of its population.

d. the ottoman empire was restored to its pre-war strength.

The correct answer is C) New boundaries caused Hungary to lose most of its population.

European nations were affected by the five treaties established at the end of the war in that new boundaries caused Hungary to lose most of its population.

We are referring to the treaties after World War 1. After this destructive period of armed confrontation, nations had to sign treaties to formally establish peace in Europe and modify the territories.

Specifically, the treaties of Lausanne, Trianon, and Sevres, established that Hungary was going to be an independent state. By signing the treaty of Trianon of November 1920, Transylvania was no more a Hungary territory. It was passed to Romania. Slovakia was ceded to Czechoslovakia, and other portions of Hungary were ceded to Yugoslavia.

the berlin blockade was an international crisis that arose from an attempt by the soviet union, in 1948–49, to force the western allied powers (the united states, the united kingdom, and france) to abandon their post-world war ii jurisdictions in west berlin. in march 1948 the allied powers decided to unite their different occupation zones of germany into a single economic unit. in protest, the soviet representative withdrew from the allied control council. coincident with the introduction of a new deutsche mark in west berlin (as throughout west germany), which the soviets regarded as a violation of agreements with the allies, the soviet occupation forces in eastern germany began a blockade of all rail, road, and water communications between berlin and the west. on june 24 the soviets announced that the four-power administration of berlin had ceased and that the allies no longer had any rights there.

demand is the need and oportunity to buy a given good or service.