The correct answer is "The California Gold Rush brought in people from all over the world, which resulted in cultural diffusion among the settlers there". The California Gold Rush started in 1848 when James W. Marshall found gold at Sutter's Mill, news that attracted 300,000 people to California from around the United States and abroad. This period of the early West is considered a crossroad of culture because people from distant cities and countries interacted with the aim to found gold.
There were many ways in which the Renaissance revolutionized European art and thought, but in general it was through arts and sciences and a rediscovery of the human mind and body.
Answer: The Berlin Conference spanned almost four months of deliberations, from 15 November 1884 to 26 February 1885. By the end of the Conference the European powers had neatly divided Africa up amongst themselves, drawing the boundaries of Africa much as we know them today.