Who controlled the trade and investment within a sphere of influence in China? a regional government within China
a coalition of businesses and labor unions
the US government controlled all the spheres
the European country that controlled that particular sphere

China’s growing global role and increasingly hardline policies at home and abroad gain attention, the United States and other Western governments are also taking notice of China’s expanding influence in developing countries. The implications of China’s growing investments linked to the Belt and Road Initiative (BRI), its ambitious global infrastructure and connectivity program, are increasingly debated. So, too, are the nature of Chinese Communist Party (CCP) efforts to popularize its authoritarian model and undermine developing democracies around the world, whether intentionally or indirectly.1 In November, Vice President Pence noted that the administration, through its Indo-Pacific strategy, intends to bolster the rule of law and human rights in regional countries facing growing influence from China.

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c or d both can be the answer

it increase by 12% a year from 1812-1820