In order to increase the robustness of my argument based on the US case, I wanted to expand my empirical analysis by including three more cases. If I want to follow the Most Similar System Design (MSSD), which three countries would you recommend? And, why?

K L M . N 1 country region polity2 LaborRight LawPos 174 United Arab Em Middle Eas -8 20 14.5 175 United Kingdon Europe 10 32 28.5 176 United States o Americas 10 28.5 26.5 177 Uruguay Americas 10 34 28.5 178 Uzbekistan Post Sovie -9 34 28.5 179 Vanuatu Oceania 36 27.5 180 Venezuela (Boli Americas 7 19.25 22.25 181 Viet Nam -7 182 Yemen Middle Eas -2 22 183 Zambia Africa 1 31 25.5 184 Zimbabwe Africa -3 13.25 18.25 o P Practice Po FDI2015 24.5 0.856209 22.5 2.939091 21 3.252739 24.5 2.38762 24.5 1.338039 27.5 2.551402 16 1.697938 1.272123 23 3.833159 24.5 0.223276 14 6.106361 26 K L M . N 1 country region polity2 LaborRight LawPos 174 United Arab Em Middle Eas -8 20 14.5 175 United Kingdon Europe 10 32 28.5 176 United States o Americas 10 28.5 26.5 177 Uruguay Americas 10 34 28.5 178 Uzbekistan Post Sovie -9 34 28.5 179 Vanuatu Oceania 36 27.5 180 Venezuela (Boli Americas 7 19.25 22.25 181 Viet Nam -7 182 Yemen Middle Eas -2 22 183 Zambia Africa 1 31 25.5 184 Zimbabwe Africa -3 13.25 18.25 o P Practice Po FDI2015 24.5 0.856209 22.5 2.939091 21 3.252739 24.5 2.38762 24.5 1.338039 27.5 2.551402 16 1.697938 1.272123 23 3.833159 24.5 0.223276 14 6.106361 26