British traders started exchanging opium for and started their very own opium monopoly in China
China
Porcelain
Tea
Silver

Which  was not a problem faced by farmers in the late 19th century

Members of the common school movement believed that

The current population of a city can be represented by "p." the population is expected to increase by 6.5% next year. write an expression in simplest form that represents the expected population next year.