Causes severe malnutrition and famine.
a. war
b. poverty
c. population growth
d. regional trends

War causes severe malnutrition. Option A is correct.  

In addition to developed economies, drought and poverty, the violence of war also leads to severe malnutrition.

Because of war or conflict, people living in war-torn cities or countries have to flee, their plot of land or cattle were destroyed or stolen and the insecurity blocks people from going to the market.

Malnutrition refers to deficiencies, excesses or imbalances in a person's intake of energy and/or nutrients.

the effect of the ming leaders banning ships with more than two masts was that there was no further construction of ships masts, because there was a surplus. ming emperors disallowed foreign exploration

straight down to hell mate