请帮忙翻译:东方与西方在上海相遇。公元1840年，中国在不情愿的情况下对外开放门户。

问题描述：

问题解答：

The east and the west encounted each other in Shanghai. In 1840 A.D., China began the open-door policy unwillingly.

East and West meet in Shanghai. Year 1840, China's reluctance in the case of door opening to the outside world

东方与西方在上海相遇。公元1840年，中国在不情愿的情况下对外开放门户。
The east and west meet in Shanghai.1840 A.D., China outward opens the gate under the reluctant condition.

East met west in 1840 in Shanghai. China was forced to open to the world.