World War 2 occurred in the late 40's, so this is most likely why there is a dip in that age group.
Answer:
Mexico City
Explanation:
The city in Central Mexico that is located just below 20 degrees North Latitude is precisely Mexico City, the capital of the country, a sprawling metropolis of over 20 million people in its metropolitan area.
Other two important cities located just below this parallel are Toluca and Puebla, both among the top 10 largest cities in the country, and located relatively close to Mexico City.
The smallest lake in africa is Lake Edward
Bubonic plague effected on European feudalism as it hastened feudalism's decline due to the system's reliance on peasant labor.
Answer: Option A
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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.