The impact of the German economy in the financial crisis sweeping the world is relatively small compared to other developed countries. The main reason is that the German economy is based on advanced manufacturing, and Germany's machinery and equipment and automobile manufacturing have maintained strong competitiveness. Some people have concluded from the German example that a country's economy is highly deterministic only if it has a strong level of manufacturing competition. If the following are true, which one can challenge the above conclusions? ['Some countries with less developed manufacturing industries were less affected by the financial crisis.', "A country's manufacturing industry is underdeveloped and its economy has been volatile.", 'Some countries maintain long-term economic stability without developed manufacturing.', 'Some countries have developed manufacturing industries, but their economies have not remained stable for a long time.']