no they cant..china isnt even ranked 2nd in the world..all they have is a big army if they cant get that across the pacific ocean then they will lose

check it here

http://www.globalfirepower.com/country-military-strength-detail.asp?country_id=United-States-of-America

http://www.globalfirepower.com/country-military-strength-detail.asp?country_id=China

also Nepal is ranked 36 in the world check it: http://www.globalfirepower.com/  (scroll down)