King Tāufaʻāhau Tupou IV, and his government made some problematic economic decisions and were accused by democracy activists, including former prime minister ʻAkilisi Pōhiva, of wasting millions of dollars on unwise investments. The problems have mostly been driven by attempts to increase national revenue through a variety of schemes: considering making Tonga a nuclear waste disposal site (an idea floated in the mid 1990s by the current crown prince); and selling Tongan Protected Persons Passports (which eventually forced Tonga to naturalise the purchasers, sparking ethnicity-based concerns within Tonga).