Why were eastern europeans able to break free of communist governments and soviet domination in the late 1980s?

Until 1987, in cases of extradition,a. all fugitives were protected from extradition by their political beliefsb. all fugitives were protected from extradition by their racec. the federal government could not force a state governor to return a fugitived. the federal government had the power to force a state governor to return a fugitive

What is domino theory? how did domino theory impact the us involvement in the vietnam war

The diagram shows fossils buried in layers of rock. which conclusion is best supported by the diagram?