Thank you very much for your corrections. Can you help me check these ones, too?

1)The poet had to show other people the truth of real emotions. To manage this task (to achieve this goal?), the poet had to use imagination, purifying (?) human emotions and describing (?) the objects of those powerful feelings.
2)During Romanticism childhood was considered as good (?)
3)Colonialism was seen by Europeans as capable of civilizing African people. It led the colonizers to enslave the natives and exploit their natural resources.
4)As for the opposition between black and white, the latter should represent the light, the good because white stands for European civilization.
5)The poet was a moral teacher who showed men how to behave.
6)Conrad’s Heart of Darkness focuses on the opposition between black and white. The black and the white lose their denotative meaning and connote the primitive, noble environment of the jungle and the negative aspects of colonialism respectively.
7)According to the European view white is associated with good and beauty.

1)The poet had to show other people the truth of real emotions. To achieve this goal, the poet had to use imagination, describing human emotions and the objects of those powerful feelings.

2)During the Romantic era, childhood was considered a very good time of life.

3)Colonialism was seen by Europeans as a chance to civilize African people. It led the colonizers to enslave the natives and exploit their natural resources.

4)As for the opposition between black and white, the latter should represent the light or the good because white stands for European civilization.

5)The poet was a moral teacher who showed men how to behave.

6)Conrad’s Heart of Darkness focuses on the opposition between black and white. The black and the white lose their denotative meaning and connote the primitive, noble environment of the jungle and the negative aspects of colonialism respectively.

7)According to the European view, white is associated with good and beauty.

Sure! I'd be happy to help you check these sentences.

1) The poet had to show other people the truth of real emotions. To achieve this goal, the poet had to use imagination to purify human emotions and describe the objects of those powerful feelings.

- The correction looks good! The changes made improve the clarity of the sentence. "To achieve this goal" is a better phrase to use to indicate the purpose of the poet's actions.

2) During Romanticism, childhood was considered good.

- The sentence is grammatically correct, but it could benefit from some clarification. "Good" alone is a bit vague, so it might be useful to specify why childhood was considered good during the Romanticism era.

3) Colonialism was seen by Europeans as a way to civilize African people. It led the colonizers to enslave the natives and exploit their natural resources.

- The sentence is accurate. It effectively conveys the European perspective on colonialism and its consequences.

4) In the opposition between black and white, the latter should represent the light, the good because white symbolizes European civilization.

- The sentence makes sense, but one small change could improve clarity. Instead of saying "because white symbolizes," it might be clearer to say "because white stands for European civilization." This helps to avoid confusion between symbolism and representation.

5) The poet was a moral teacher who showed men how to behave.

- The sentence is correct! It accurately describes the role of the poet as a moral guide and teacher.

6) Conrad’s Heart of Darkness focuses on the opposition between black and white. The words black and white lose their literal meaning and now connote the primitive, noble environment of the jungle and the negative aspects of colonialism, respectively.

- The sentence is clear and accurate! The changes made help to better explain the symbolic connotations of black and white in Conrad's novel.

7) According to the European view, white is associated with good and beauty.

- The sentence is grammatically correct. It conveys the European perspective on the association of white with positive qualities like goodness and beauty.

Overall, the corrections made to these sentences have improved their clarity and accuracy. Great job! If you have any more sentences you'd like me to check, feel free to ask.