English question regarding parenthesis 10 Q for $10

Identify the clause in parentheses in the following sentence:

    (So many legends surround the history of the United States flag) that it

    is sometimes difficult to establish the true story.

    a. main clause

    b. subordinate clause

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 Identify the clause in parentheses in the following sentence:

    No one knows for certain (who designed the flag).

    a. main clause

    b. subordinate clause

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 Identify the clause in parentheses in the following sentence:

    In 1777 the Second Continental Congress adopted a resolution (that

    briefly described the flag’s appearance).

    a. main clause

    b. subordinate clause

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 Identify the clause in parentheses in the following sentence:

    (Although the resolution described the appearance of the flag), it did

    not give the name of the flag’s designer.

    a. main clause

    b. subordinate clause

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 Identify the clause in parentheses in the following sentence:

    (Francis Hopkinson claimed) that he designed the flag.

    a. main clause

    b. subordinate clause

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   Identify the clause in parentheses in the following sentence:

    Congress refused to pay Mr. Hopkinson (after he submitted a request for

    reimbursement for his services).

    a. main clause

    b. subordinate clause

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  Identify the clause in parentheses in the following sentence:

    When Vermont and Kentucky became states, (two more stripes were added to

    the flag).

    a. main clause

    b. subordinate clause

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 Identify the clause in parentheses in the following sentence:

    (Because each addition of a state to the Union would necessitate another

    stripe in the flag), Congress changed the flag’s design.

    a. main clause

    b. subordinate clause

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 Identify the clause in parentheses in the following sentence:

    (In 1818 Congress decided) that the flag would have thirteen stripes to

    symbolize the original thirteen states but that there would be twenty

    stars, one for each state.

    a. main clause

    b. subordinate clause

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 Identify the clause in parentheses in the following sentence:

    (Since that decision was made), thirty additional stars have been added

    to the flag.

    a. main clause

    b. subordinate clause