The visit comes days after China and the Solomon Islands confirmed they had signed a security pact, a development which has alarmed neighboring countries and Western allies who fear amilitary buildup.
In an impassioned speech, PM Sogavare said he found it very insulting, to be branded as unfit to manage the sovereign affairs of the nation or have other motives in pursuing their national interest.
A document leaked last week indicates that China could boost its military presence in the South Pacific island nation, including with ship visits.
An editorial published in the Chinese state media said, "the US was void of steady interest in Pacific island countries, it will only look down and notice the region whenever there is strategic need."
Document titled the "Indo-Pacific Strategy of the United States", includes plans to open new embassies and consulates in Southeast Asia and Pacific island nations.
The U.S. previously operated an embassy in the Solomons for five years before closing it in 1993. Since then, U.S. diplomats from neighbouring Papua New Guinea have been accredited to the islands.
The State Department said Solomon Islanders cherished their history with Americans on the battlefields of World War II, but that the U.S. was in danger of losing its preferential ties.
The pro-Beijing leader comfortably saw off an opposition attempt to oust him, winning 32 votes to 15 after a fractious and hot-tempered day-long debate.
Many businesses remained closed in the capital, Honiara, ahead of the vote over concerns that violence could erupt again, leading to an eerie calm.
Solomon Islands police found three bodies in a burned-out building and arrested more than 100 people amid the violence.
The crisis in the Solomon Islands erupted last week when protests over government policies turned violent, fuelled by poverty, unemployment and inter-island rivalries in the nation of 800,000.
Authorities imposed a curfew in the capital Honiara, after a 36-hour lockdown ordered by the embattled Prime Minister Manasseh Sogavare ended Friday.
Thousands of people -- some brandishing axes and knives -- rampaged through the city's Chinatown, Point Cruz and business districts -- according to a reporter on the scene.
The first personnel were to arrive Thursday night with more going on Friday, and the deployment was expected to last for a few weeks, Morrison said.