. The guilds, banks, and money systems, which began in Medieval Europe,


discouraged European exploration


contributed to decreased trade


were the start of modern market economies and trade unions


were ultimately rejected by Europe in favor of colonialism

Verified Answer :

The guilds, banks, and money systems, which began in Medieval Europe, were the start of modern market economies and trade unions.
Before them, there were no real market economies or unions - the guilds were the first type of a union of traders who wanted to unite and fight for their rights together. 

c, 'were the start of modern market economies and trade unions'

its the right answer on the test :))) Goodluck