Identify who Sweden’s significant trading partner was according to the lesson.

Prussia

Russia

England

France

Based on the provided information, England is Sweden's significant trading partner according to the lesson.

According to the lesson, Sweden's significant trading partner was England.

To identify Sweden's significant trading partner according to the lesson, we need to analyze the options given:

1. Prussia: While Prussia had some historical significance in relation to Sweden, it was not a significant trading partner during the stated period.

2. Russia: Russia had some commercial ties with Sweden, but it was not identified as a significant trading partner according to the lesson.

3. England: England was a significant trading partner for Sweden during the stated period. The lesson might have mentioned specific trade agreements or economic relations between Sweden and England.

4. France: France had some limited trade with Sweden, but it was not identified as a significant trading partner during the stated period.

Therefore, the correct answer is England.