求翻译：We traveled through four states and decided to spend the winter before moving on. In the spring we continued our journey westward. Our first destination was Indian Creek in Kansas, which was then the frontier. This was the meeting place for people moving to the west. April 12, 1846, was chosen as the day when all should be ready to start. We left traveling with a group of 45 wagons.是什么意思？

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