drought - n. a long period of time during which there is very little or no rain​

contaminated - adj. to be made dangerous, dirty, or impure by adding something harmful or undesirable to it​

cramped - adj. not having enough space inside​

cyclical - adj. happening again and again in the same order ​

displace - v. to force (people or animals) to leave the area where they live​

manage - v. to take care of and make decisions about ​

external - adj. coming from outside​

famine - n. a situation in which many people do not have enough food to eat​