Final answer:
American maritime technology saw advancements in the APUSH period, including the maritime chronometer and the influence of Alfred Mahan. Steamships and railroads also brought about significant changes in transportation.
Step-by-step explanation:
American maritime technology experienced significant improvements during the APUSH period. These advancements played a crucial role in transatlantic exploration, colonization, and trade. Some key innovations include the development of the maritime chronometer by John Harrison, which greatly helped with navigation, and the influence of Naval theorist Alfred Mahan, who advocated for the expansion and modernization of the US fleet. Additionally, the transportation revolution brought about by technologies like steamships and railroads transformed the transportation system in the United States.