No instance of constructor matching C++ argument list.

#include <iostream>
#include <vector>
#include <string>
#include <list>
#include <algorithm>

using namespace std;

enum Menu { continent_search = 1, hwak, die, wanchi, EXIT };
enum Menu2 { continent_choice = 1, GO_MAIN };

class country
{
public:
    string name;
    int hwakjin, die, wanchi;
    country(string name, int hwakjin, int die, int wanchi) {
        this->name =  name;
        this->hwakjin =  hwakjin;
        this->die = die;
        this->wanchi = wanchi;

    }
    bool operator <(country& country) {

        return this->hwakjin > country.hwakjin;
        return this->wanchi > country.wanchi;
        return this->die > country.die;
    }
};


class Covid
{
private:

    country countries[9] = {
       country ("Korea", 4,1,1),
       country ("China", 8, 3, 4),
       country ("Japan", 6,7,8) }; // where errors occur 


public:


    Covid() {}

    int showhwak(void)
    {
        sort(countries, countries + 3);
        for (int i = 0; i < 3; i++)
        {
            cout << countries[i].name <<"death" <<countries[i].hwakjin << endl;
        }
        return 0;
    }
    void showTitle()
    {
        cout << "Current status of COVID-19 confirmed patients\n";
    }

    void showMenu()
    {
        cout << "==================\n";
        cout << "1. Continental search\n";
        cout << "2. Number of confirmed cases\n";
        cout <<"3. Death toll\n";
        cout << "4. Completely cured embroidery\n";
        cout <<"5. End\n";
        cout << "==================\n";
    }

    void showcontinentmenu()
    {
        cout << "==================\n";
        cout << "1. Asia\n";
        cout <<"2. Africa\n";
        cout << "3. Mainly\n";
    }

    void continent()
    {
        while (true) {

            showcontinentmenu();
            int menuNum = inputMenu();
            switch (menuNum) {
            case continent_choice:
                asia();
                break;
            case GO_MAIN:
                return; break;
            default:
                break;
            }
        }
    }

    int inputMenu() {
        int menuNum = -1;
        cout << "Input>>";
        cin >> menuNum;
        return menuNum;
    }

    void _exit() {
        exit(0);
    }

    void asia()
    {
        string name;
        int temp;
        cout << "Enter Asian country:\n";
        cin >> name;
        for (int i = 0; i < 3; i++) {
            if (name == countries[i].name)
                i = temp;
        }
        cout << countries[temp].Name < < "dead" < < countries [temp].Hwakjin < < "hwakjjinja" < < countries [temp].wanchi << endl;
    }

    void showsamang()
    {


    }
    void showwanchi()
    {


    }

    void showcountry()
    {

    }

    void initialize()
    {
        showTitle();
        while (true) {
            showMenu();
            int menuNum = inputMenu();

            switch (menuNum)
            {
            case continent_search:
                continent();
                break;
            case hwak:
                showhwak();
                break;
            case EXIT:
                _exit();
                break;
            default:
                break;

            }
        }
    }
};

int main()
{
    Covid covid = Covid();
    covid.initialize();
}