Meanings

power relations

salvation by one's own efforts

expansion of one's sphere of influence

within the sphere of influence (of)

using all of one's strength (to)

trial of strength

making strenuous efforts

factional dynamics

full impact

forces of opposition

violent means

try one's best

(committing, resorting to) an act of violence

major contender

resorting (coming) to fisticuffs

tensile strain

statistical mechanics

analytical mechanics

gravitational field

strength of the voice