Strengthening in example sentence
Such alliances can be composed of countries with very different political systems, for they are not allied by shared values, but by their interest in maintaining or strengthening their own power, either in their own protection, or worse, in expansion.
More example sentences with word strengthening
Now combine the electricity and oil revolutions, both driven by modern efficiency, and you get the really big story: reinventing fire, where business enabled and sped by smart policies in mindful markets can lead the United States completely off oil and coal by 2050, saving 5 trillion dollars, growing the economy 2.6-fold, strengthening out national security, oh, and by the way, by getting rid of the oil and coal, reducing the fossil carbon emissions by 82 to 86 percent. 
