Which development was most likely the cause of the other three?
1. growth of urban centers.
2. growth of industrialization.
3. increase in the middle class.
4. increase in agricultural production

2. growth of industrialization    this led to people moving to cities, where the factories were growing. It also led to more people being successful, therefore boosting them into the middle class. Finally, the technology bettered in this time allowed for more agricultural production    :)

“destroyers for bases agreement in the destroyers for bases agreement between the united states and the united kingdom on september 2, 1940, fifty caldwell , wickes, and clemson class us navy destroyers were transferred to the toyalbnavy from the united states navy in exchange for land rights on british possessions.” i hope this you .