Vietnam's doi moi reforms were similar to China's reforms under Deng in the following ways: ______?
1) Transfer of state-owned assets to private control may have created issues with corruption or other principal-agent problems.
2) The Vietnamese government gave households more control over the plots of land that they farmed.
3) The Vietnamese government began to experiment with limited opening to foreign direct investment in specialized zones.
4) The Vietnamese government pursued a similarly slow and gradual approach to reform.
5) None of these