Historical Maps

Slavery in the Americas: A Historical Overview

Slavery in the Americas began with the arrival of the first Africans, who were primarily imported by Spain and Portugal. This brutal practice expanded significantly with the establishment of sugar plantations in Brazil and spread throughout the continent. Millions of Africans were forcibly brought to the Americas, shaping the economic and social foundations of the New World by the 18th century.

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Climate

The Temperature Extremes That Define America’s Climate

Ever wonder why some U.S. regions experience massive temperature swings while others stay remarkably stable? A fascinating NOAA-based map reveals Colorado’s staggering 69°F (38°C) difference between summer highs and winter lows, while coastal areas like Southern Florida maintain gentle 20-30°F (11-17°C) variations. From Death Valley’s record-breaking 134°F (56.7°C) to Hawaii’s steady 15-20°F (8-11°C) range, discover what creates these dramatic climate differences and how they’re projected to intensify over the coming decades.

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