In northern Europe, increasing use of the heavy-wheeled plow between 800 and 1050 coincided with: a. fundamental changes in patterns of peasant settlement. b. rapidly improving road systems. c. the first use of oxen as traction animals. d. the increasing use of horses as traction animals. e. rising alcohol consumption among the peasantry.

mount st. helens in washington erupts, causing a massive avalanche and killing 57 people on this day in 1980. ash from the volcanic eruption fell as far away as minnesota. seismic activity at mount st. helens, which is 96 miles south of seattle, began on march 16.

"the attempts of the proletariat to rise above this abasement"

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