2 corrected spelling error
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Can this:

These same officials, however, would have been appalled had they known what was going on behind this facadefaçade of self-help.

be rephrased as

These same officials, however, would have been appalled if they had known what was going on behind this facadefaçade of self-help.

?

Can this:

These same officials, however, would have been appalled had they known what was going on behind this facade of self-help.

be rephrased as

These same officials, however, would have been appalled if they had known what was going on behind this facade of self-help.

?

Can this:

These same officials, however, would have been appalled had they known what was going on behind this façade of self-help.

be rephrased as

These same officials, however, would have been appalled if they had known what was going on behind this façade of self-help.

?

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1
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"had they known" or "if they had known"

Can this:

These same officials, however, would have been appalled had they known what was going on behind this facade of self-help.

be rephrased as

These same officials, however, would have been appalled if they had known what was going on behind this facade of self-help.

?