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Territorial inequality associated with the location of population and activities, access to infrastructure and services, employment and material living conditions, is a historical reality in Latin America. This phenomenon has accompanied the demands of successive development models, and since the mid-twentieth century it has begun to be recognised in its full complexity with the installation of developmentalist governments. As a result, various public policies were adopted that failed to have a significant impact on these inequalities or to address their social consequences. Given the need to reformulate approaches, optimise resources and overcome obstacles in the implementation of public policies, this paper seeks to analyse the policies on the government agenda in Argentina from the change of management materialized at the end of 2019, identifying the limitations, achievements and potentialities of the policies proposed in Argentina, Brazil and Mexico and their effects on territorial inequality. [ABSTRACT FROM AUTHOR]

Nanotechnology, which is the manipulation of matter at a scale of one billionth of a meter, is poised to be one of the main technological developments of the twenty-first century. Although great uncertainty still surrounds it, the advances in nanotechnology have been impressive, and, given its potential, capitalist competition in the field is becoming increasingly intense. This paper addresses nanotechnology from a socio- political and geo-economic perspective in order to highlight the dynamics and interests at stake, the social networks and power relations involved, and the existing tensions due to capitalist competition and contradiction, among other aspects. This case study of nanotechnology in the Western hemisphere allows us to show and discuss some of the principal ways high technology is fomented in the metropolis (the United States in this case) and how this research agenda is adopted in the periphery (in Mexico, Brazil and Argentina). [ABSTRACT FROM AUTHOR]