The “migrant caravan” is making its way towards the US border – and is facing countless obstacles and much opposition along the way. Most recently, protests erupted when a large group of the migrants reached the Mexican border town of Tijuana. Unsurprisingly, Donald Trump was quick to join the clamour, accusing them of causing “crime and big problems in Mexico”:
The men, women and children in the caravan are travelling as a large group because in the past individuals and small groups who have fled central America to escape political violence or to find a

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