DAKAR, Senegal, July 21, 2018 (News Wires) - Chinese President Xi Jinping arrives in Africa on Saturday on a four-nation visit seeking deeper military and economic ties while his rival in a bitter trade war, the Trump administration, shows little interest in the world's second most populous continent. This is Xi's first trip abroad since he was appointed to a second term in March with term limits removed, allowing him to rule for as long as he wants. That rang familiar to some of Africa's long-entrenched leaders. China is already Africa's largest trading partner, and it opened its first military base on the continent last year in the Horn of Africa nation of Djibouti, which this month launched a China-backed free trade zone it calls the largest in Africa. After surpassing the US in arms sales to Africa in recent years, China this month hosted dozens of African military officials for the first China-Africa defense forum. Xi is stopping in Senegal and then Rwanda ahead of his participation in a summit of the BRICS emerging economies in South Africa that starts on Wednesday. The summit comes amid the United States' billion-dollar trade war with China and tough trade negotiations with other key economic partners. Last month the foreign ministers of BRICS members Brazil, Russia, India, China and South Africa criticized what they called a "new wave of protectionism," saying US measures undermine global trade and economic growth.