Why was it believed iraq and saddam hussein possessed weapons of mass destruction?

a. he had been selling them on the black market.
b. iraq possessed a number of chemical plants.
c. he had used them during the war with iran.
d. iraq had captured a number of them from iran.

Several Governments suspected and speculated that there was a big chance of Hussein possessing weapons of mass destruction because He had used them in the Iran war.

Explanation:

First of all the U.S. government supporter Hussein to fight against Iran  by providing Iraq technology, resources, training and money to secure the zone. In second place, Hussein used weapons of mass destruction during that war. In third place when the war ended Iraq still had a lot of resources to keep producing them. The U.S. knew this as a fact because there was a contract record and the inventory lead them to know that Iraq had  enough resources left to produce weapons of mass destruction. Then, a multicountry group researched the country and there were leads to believed Hussein had bought  more resources to produce them.

the doctrine of nullification recommended that states living inside the union have the one-sided, inalienable ideal to void any law made by the national government that could be esteemed illegal.

the united states was shaped based on a general agreement among its individual states. hence, it is inferred that under the hypothesis of invalidation, since the states are the establishment of the union, they have the ability to referee and disprove unlawful laws.

d.

the northwest territory became the most densely populated area in the u.s.