Question

When Perry returned to Japan in 1854, why did he bring more ships than he had in 1853?
to convince the Japanese to negotiate
to trade goods with the Japanese
to train US sailors to navigate across the Pacific
to transport a new US consul and other officials

Answer 1

to convince the Japanese to negotiate

He returned with a larger squadron as a show of force (the "Black Ships") to pressure Japan into agreeing to open ports and sign the Treaty of Kanagawa.