Answer:B)
Explanation: I think its b i may be wrong
B. new railroads and refrigerated cars
Answer: When a country is developing and becomes stronger it starts to thrive for power and when a country wants power it starts to take over and expand when a country becomes so large and has so much power that it does not know what to do with it is in the best interest to spread out into a nation of the same empire but ran by different people so that they can maintain the control of their growing nation
La expansión territorial, las innovaciones en la agricultura y el desarrollo de las ciudades y el comercio provocaron un rápido cambio económico en la Europa medieval. Los cambios en la disponibilidad y el consumo de bienes materiales y en la distribución de la población alteraron radicalmente las relaciones sociales y la organización política europeas.
