Bubonic plague effected on European feudalism as it hastened feudalism's decline due to the system's reliance on peasant labor.
Answer: Option A
<u>Explanation:
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Bubonic Plague was an epidemic disease which had spread in Europe in 14th century and resulted in the death of 30-60% of European population. This deadly disease has also resulted in the decline of Feudalism.
The system of feudalism largely dependent of the peasants or labourers which were known as serfs who were employed by the knights and worked under the barons( who worked for the kings).
The Black death or the plague had affected the peasants the most hence breaking the system as the now there was great shortage of labour.
The star is a member of an eclipsing binary star system
Explanation:
A careful explanation about the measurement reveals that the star maintains a steady and apparent shape of brightness and at most of the time remains brighter.
With and usual intervals of about the 73 hours and then the star becomes contestant dimmer for about every toe hours and is due to the fact that the star is a member of the eclipsing system.