The statement is true. The salary measurement of American society, based on statistics published by the US Census Bureau takes into account the average annual income of women with respect to men in full-time jobs maintained for one year. According to this measure, the average income of women represents 77% of that of men.
Possibly allies and they way they interacted with other countries, by trade etc. and strengthening their economy for war.
The French and Indian War was fought to decide if Britain or France would be the strong power in North America. France and its colonists and Indian allies fought against Britain, its colonists and Indian allies. The war began with conflicts about land.