US officials warned Somalia against forceful frontier changes affecting Ethiopia

Evidence

This became clear on at least three occasions. First, when the prime minister was on an unofficial visit to Washington, D.C., to check with a doctor who had operated on him three years earlier the assistant secretary of state for Africa, Joseph Palmer, made a courtesy call. They had a very difficult discussion that went nowhere. The central issue was the conflict between Somalia and Ethiopia over the Somali region in Ethiopia. Secretary Palmer concluded by “warning that attempts to change frontiers by forceful means (i.e. including guerrilla action) could only lead to serious deterioration of US-Somali relations. — Abdi Ismail Samatar, Africa’s First Democrats, 912