What were some of the factors that contributed to the tulip craze in the Netherlands in th
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What were some of the factors that contributed to the tulip craze in the Netherlands in the seventeenth century？ Choose 3 answers.
A．Wealthy gardeners liked to compete for rare plants.
B．The number of people with disposable income was growing.
C．Tulip bulbs were initially cheap and easy to obtain.
D．Tulips in the wild bloomed in unusual color combinations.
E．The tulip market was not regulated by the government.
此题为多项选择题。请帮忙给出正确答案和分析，谢谢！