Haiti

In 2019 President Donald Trump threatened to levy a 5 percent tariff on all Mexican goods unless the country agreed to beef up its immigration enforcement. Mexico acquiesced and deployed troops along its southern border with Guatemala, limiting the free movement of migrants. As a result, countless people have been trapped in Tapachula, a sprawling border town, in what the international press has described as an “open-air prison.”

Disease experts confirmed a case of African swine fever in Haiti, the second known case in the Western hemisphere in two months and a potential risk to U.S. hog farmers. African swine fever is harmless to humans but has a high mortality rate among hogs; it wiped out nearly half of China's hogs in 2018 and 2019.

Some 1.4 million people in Haiti, the poorest nation in the Americas, require food assistance because of widespread damage by Hurricane Matthew to supplies and crops in large swaths of the country, according to a survey by UN and Haitian agencies. In Haiti's Department of Grande-Anse, "agriculture has been virtually wiped out," says the UN, and "losses of subsistence crops in the Department of Sud have been nearly total."

Nigeria, Africa’s largest and most-populous country, needs help feeding refugees fleeing armed conflict in the northeastern corner of the country, according to the UN Food and Agriculture Organization in a quarterly report on food insecurity around the world.