What was the major object of American expansionism in Pacific?

Economic opportunities: The United States sought to expand its economic influence in the Pacific region by gaining access to new markets for its goods and services, as well as sources of raw materials.

Strategic considerations: The US wanted to establish a strong naval presence in the Pacific to protect its interests in the region and to counter the growing influence of other powers, particularly Japan.

Missionary activities: American missionaries played a significant role in expanding American influence in the Pacific, introducing Christianity and Western values to indigenous populations.

Territorial acquisitions: The US acquired several territories in the Pacific, including Hawaii, Guam, and the Philippines, which served as important stepping stones for further expansion.