What was this advertisement, published in salesmanship magazine in 1906, meant to convey to the publication's readers?

What was one major cause of worldwide conflict during the first decade of the 21st century?

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Began during presidency of john q. adams tariff of 1828 and 1832 states’ rights versus federal authority john c. calhoun’s ‘proclamation to the people of south carolina’ concluded during the presidency of andrew jackson is which event are these characteristics describing