Thank you very much very much for your help. I just wanted to make sure about the grammar in the following sentences, too.

1) He found many things which he wanted to take ashore. Therefore/so, he began searching for a boat in order to transport them to shore.
2) Which Lennon’s song became a special song for peace? Lennon’s song “Give Peace a Chance” became a special song for the peace.
3) In which other Lennon’s song is there a strong anti-war message?
4) Whose country was Vietnam a colony? Before World War II Vietnam was a French colony.
5) In how many parts did Vietnam divide after World War II?
When did the American government send troops to Vietnam?
6)Until when did the war last?
7)Which kind of music was an important part of the peace movement? Folk and rock music were an important part of the peace movement.
8) What kind of festival was Woodstock? Woodstock was a three-day music and peace festival.
9) Which letters does the peace symbol use?

1) He found many things which he wanted to take ashore. Therefore, he began searching for a boat in order to transport them to shore.

- The grammar in this sentence is correct. "Therefore" is a suitable word to indicate the reason for his action.

2) Which Lennon’s song became a special song for peace? Lennon’s song “Give Peace a Chance” became a special song for peace.
- The grammar in this sentence is correct. The title of the song is placed in quotation marks, which is appropriate.

3) In which other Lennon’s song is there a strong anti-war message?
- The grammar in this sentence is correct.

4) Whose country was Vietnam a colony? Before World War II, Vietnam was a French colony.
- The grammar in this sentence is correct. A comma is used to separate the dependent clause from the main clause.

5) In how many parts did Vietnam divide after World War II?
- The grammar in this sentence is correct.

When did the American government send troops to Vietnam?
- The grammar in this sentence is correct.

6) Until when did the war last?
- The grammar in this sentence is correct.

7) Which kind of music was an important part of the peace movement? Folk and rock music were an important part of the peace movement.
- The grammar in this sentence is correct. The subject and verb agree in number.

8) What kind of festival was Woodstock? Woodstock was a three-day music and peace festival.
- The grammar in this sentence is correct. The sentence structure and punctuation are appropriate.

9) Which letters does the peace symbol use?
- The grammar in this sentence is correct. The verb agrees with the subject.

1) The grammar in the first sentence is correct. However, there is a small change that can be made in the second sentence: "Therefore/so, he began searching for a boat to transport them to shore." Removing "in order" makes the sentence more concise without changing the meaning.

2) The grammar in the second sentence is correct, but there are slight improvements to be made. Instead of "Lennon's song 'Give Peace a Chance' became a special song for the peace," it should be "Lennon's song 'Give Peace a Chance' became a special song for peace." Removing the article "the" before "peace" makes the sentence flow better.

3) The grammar in the third sentence is correct.

4) The grammar in the fourth sentence is correct.

5) The grammar in the fifth sentence is correct. However, there is a small change that can be made in the second part of the sentence: "How many parts did Vietnam divide into after World War II?" By adding "into" after "divide," it improves the sentence structure.

6) The grammar in the sixth sentence is correct.

7) The grammar in the seventh sentence is correct. However, there is a small improvement that can be made in the first part of the sentence: "Which kind of music played an important part in the peace movement?" By using "played" instead of "was," it makes the sentence more active.

8) The grammar in the eighth sentence is correct.

9) The grammar in the ninth sentence is correct.