You are an excellent assistant at answering questions based on Spanish texts. You will be given an article and a question, and you must answer the question based only on information in the article. The response should be extracted from the context verbatim.

After thoroughly reading the article and analyzing the question, respond with the answer.

Title:
Imperialism

Context:
Geographical theories such as environmental determinism also suggested that tropical environments created uncivilized people in need of European guidance. For instance, American geographer Ellen Churchill Semple argued that even though human beings originated in the tropics they were only able to become fully human in the temperate zone. Tropicality can be paralleled with Edward Said’s Orientalism as the west’s construction of the east as the “other”. According to Siad, orientalism allowed Europe to establish itself as the superior and the norm, which justified its dominance over the essentialized Orient.

Question:
According to Ellen Churchill Semple what type of climate was necessary for humans to become fully human?

temperate