美国这个老大为什么越来越猖狂，敢于满世界抢，是因为长期以来，世界碍于美元，一直贯着他，世界混乱背后的经济真相

Core Insights - The article discusses how the U.S. dollar's dominance allows the U.S. to act with impunity on the global stage, likening it to a spoiled child who enjoys privileges without facing consequences [1][3]. Group 1: Dollar Dominance and Economic Impact - The U.S. dollar's hegemony enables the U.S. to transfer domestic economic crises to the global economy, allowing it to maintain consumption levels that exceed its production capacity [3][4]. - The establishment of the dollar as the world's reserve currency began post-World War II with the Bretton Woods system, which linked the dollar to gold, and evolved into the "petrodollar" system in the 1970s [3][4]. - The cost of printing a $100 bill is less than $1, allowing the U.S. to exchange printed money for real goods and services worth $100, a phenomenon referred to as "seigniorage" [3]. Group 2: Geopolitical and Financial Strategies - The U.S. employs a "tide harvesting" strategy, where it uses quantitative easing to send dollars abroad during economic downturns and then raises interest rates to bring dollars back during inflationary periods, causing financial distress in countries reliant on dollar loans [4]. - The U.S. uses its dollar dominance as a geopolitical weapon, imposing unilateral sanctions on nearly 40 countries, affecting about half of the global population [4][5]. - Historical military interventions by the U.S. in countries that challenge dollar dominance, such as Iraq and Libya, illustrate the lengths to which the U.S. will go to maintain its financial supremacy [4][5]. Group 3: Cultural and Military Influence - The U.S. dollar's dominance supports its military hegemony, with the ability to fund a vast network of overseas military bases through the unique financial advantages provided by the dollar [5]. - Cultural hegemony, promoted through media and entertainment, reinforces the dollar's influence and helps shape global perceptions in favor of U.S. interests [5]. Group 4: Challenges to Dollar Hegemony - The U.S. faces increasing challenges to its dollar dominance, with a growing trend of "de-dollarization" as countries seek to reduce reliance on the dollar in international trade [6]. - The proportion of the dollar in global foreign exchange reserves has decreased from 72.7% in 2001 to approximately 59.5% in 2023, indicating a shift in international sentiment towards the dollar [6]. - Domestic policy short-termism in the U.S. is undermining the dollar's stability and international credibility, as frequent adjustments to interest rates and tax cuts may provide temporary relief but weaken long-term trust [6].