It was intended in particular to halt the mass exodus of skilled laborers, professionals, and intellectuals from East to West, which was causing economic and political problems for the East German government.

Source: https://worldcrunch.com/this-happened/berlin-wall-construction-photograph

“The two groups will traverse the length of Saint Lucia, from North to South, and East to West, through the beautiful rainforests, taking in a number of peaks, and possibly forging new routes and opening up old ones,” the release stated.

Source: https://stluciatimes.com/152056/2023/02/british-army-to-hike-the-length-of-saint-lucia/