How did the Great Depression and drought affect Basutoland between 1929 and 1933?

Between 1929 and 1933, Basutoland experienced a period of severe hardship as the Great Depression coincided with a massive drought. These combined events caused significant economic and social distress, forcing a large number of people to migrate to South Africa in search of work. This exodus was so substantial that the population of Basutoland remained nearly stagnant for an entire decade.12