It experienced a stability partly because it gave the idustrial middle class :
Even though Indonesia gained its independence from the Dutch, the country was still poor because Dutch used this country for crops and gave little investments to transportation, education, and health. With this fact, the economy of this country in that time was still progressing.
The Smoot-Hawley tariff, passed in June 1930, raised import tariffs to unprecedented levels, which virtually closed the US borders to foreign products. This generated a counterpart of the other countries, which also imposed tariffs on American products
Between 1880 and 1900, cities in the United States grew at a dramatic rate. Owing most of their population growth to the expansion of industry, U.S. cities grew by about 15 million people in the two decades before 1900. Many of those who helped account for the population growth of cities were immigrants arriving from around the world. A steady stream of people from rural America also migrated to the cities during this period. Between 1880 and 1890, almost 40 percent of the townships in the United States lost population because of migration.