In the word hammering, why is the final consonant not doubled before adding the suffix?

because the suffix begins with a vowel
because the base word does not end in consonant + vowel + consonant
because the base word is x or w
because the stress is on the first syllable of the base word hammer

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brutus overlooks that the majority of the crowd served julius caesar the military general. he appeals to their citizenship as romans by calling them first by that name in his salutation: "romans, countrymen, lovers." mark antony, however, speaks in terms understood by the military, by calling them first by, "friends, romans, countrymen." he recalls not only caesar the general but caesar the friend, whose body they see covered with stab wounds.