A country's demographic agency predicts that by 2031, the country's population will fall below 127 million and the population will decrease by 24 million in the next 40 years. To this end, the government has issued a series of policies to encourage fertility. The total population has stabilized. As of June 1, 2014, the population was 146.1 million. From January to May 2014, the population increased by 59,100, with a growth rate of 0.04%. Therefore, some experts believe that the country encourages fertility The policy achieved the desired effect. If the following options are true, what will strengthen the above point? ['If the government does not have the policy to encourage fertility, the total child population will continue to decline.', 'The quality of the population could be improved if the government introduced a more effective fertility policy.', "The country's total population has been rising slowly in recent years.", 'The fertility policy introduced by the government is a long-term national policy.']