The US took the bells as trophies after the 1901 clash and turned them into a memorial to the 45 fallen US soldiers. It killed hundreds or thousands of people in a counterattack.
The post of assistant secretary of state for East Asian and Pacific Affairs has been vacant since the previous incumbent, Daniel Russel, stepped down in April last year.
While the US hopes the sanctions will deter other nations from making arms deals with Russia, observers say they push Moscow and Bejing closer together.
As the flames of a trade war between China and the US grow, one top Chinese leader has been conspicuous for not taking a public role in the dispute - Vice President Wang Qishan.
The US govt moves to block China Mobile from offering services to the US telecoms market, recommending it be rejected because the govt-owned firm poses national security risks.
Singapore's small community of N. Koreans has kept a low profile in recent years as diplomatic pressure on their home country made working abroad increasingly difficult.
In a letter, Trump also said those in Myanmar responsible for instigating the crisis must be held accountable, said a Bangladeshi official.
The move is the clearest indication yet that his administration will take retaliatory trade action against China.
With the Rakhine crisis strengthening China's hand and limiting Western influence here, the government must plot a new strategic course.
Statement from Tillerson marks Washington’s first use of the term