text: distribution of income and wealth, enables full exercise of freedom and dignity by individuals, groups and social classes whose security this Constitution protects". 126. Mexico believes in the political and moral force of the declaration on social progress and development and the declaration on the right to development; those declarations, by giving expression to essential aspects of the economic content of the right to free determination, which includes the exercise of the inalienable right of the peoples to exert full sovereignty over their natural riches and resources and to freely aspire to their economic and social development, lay down the basic conditions for the people to exercise in full their right to an adequate standard of living. 127. The Government of Mexico has unflaggingly sought to favour the popular masses by public expenditure in the social welfare sectors, particularly as regards education, health, housing and food. Public capital expenditure under these headings was maintained at a level of between some 30 and 35% during the years 1972-1982. 128. The allocation of public funds with a view to regional development has been given greater weight in recent years. The economic capacity of the Mexican States has been strengthened by an increase in investment and the direct execution of schemes of local interest. 129. In the same way the channelling of resources to the rural areas has also been relatively extensive, although variable: 10.9% of total expenditure in the period 1977-1982, with a peak of 12.5% in 1980. 130. The National Development Plan 1983-1988, the responsibility of the Federal Executive, set the following objectives for public expenditure policy: (a) To promote social development by creating jobs, providing basic services and reorganizing the system of subsidies and allowances with a view to redistributing income; (b) Using the level, structure and scheduling of expenditure to 
analysis: The text discusses the government's policies and expenditure on social welfare, regional development, and resource allocation. It highlights the importance of public expenditure in sectors such as education, health, housing, and food, as well as in rural areas. The text also mentions the objectives of the National Development Plan, which aim to promote social development and redistribute income.