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:
Britain's imperialist ambitions can be seen as early as the sixteenth century. In 1599 the British East India Company was established and was chartered by Queen Elizabeth in the following year. With the establishment of trading posts in India, the British were able to maintain strength relative to others empires such as the Portuguese who already had set up trading posts in India. In 1767 political activity caused exploitation of the East India Company causing the plundering of the local economy, almost bringing the company into bankruptcy.

Question:
When is the earliest Britain had an imperialist policy?

the sixteenth century