Which of these would have had the least effect on late 19th century america industrialization

As the coach of the u.s. olympic cycling team, i can state without question that the swedish and french teams were using illegal steroids. how else could they have beaten us so badly in the last competition? the u.s. team trained much harder and was much more skilled than our opponents. we only lost because a few teams cheated.

The american civil war most former enslaved african americans in texas began making a living as

Experimented with communism before taking part in a number of civil rights and antiwar protest