How the ancient arctic tribes fed themselves?

Ice Fishing

Explanation:

People still also feed themselves by ice fishing.

Google Ice Fishing for more info.

By Hunting and fishing

Explanation:

The Ancient Arctic tribes did not have as many sources of food as the people living in more temperate areas. However, they still managed to have thriving communities based on hunting and fishing

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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.