The correct answers regarding the reasons for the order of the sentences in paragraph 1 are:
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to reveal the order that events happened - The sentences follow a chronological sequence, starting with the grandfather's return from World War II, followed by his marriage, their move, the purchase of a home, and the subsequent opening of the hardware store.
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to show the steps in the grandfather's success - The progression from returning home to marriage, buying a house, and finally opening a business illustrates the steps he took that ultimately led to his success as a store owner.
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to show that building respect was a process - Although this option is slightly indirect, the paragraph outlines how the grandfather earned respect through his business by providing essential services and advice to homeowners, indicating that respect is built over time through contributions to the community.
(Note: The option "to show that building respect was a process" may not be as strong as the others but can still be argued based on the context provided.)