Which of the following statements concerning the effects of civil war on columbia is not true?

a. the united states refuses to columbia until it ends civil war

b. the colombian government has passed laws to make it harder for guerrillas and other militant groups to operate freely.

c. civil war is a major problem in columbia.

d. guerrillas are involved in growing crops of the illegal coca plant.

arresting and exicuting citizens

the conditions that made the byzantine empire vulnerable to attacks by the muslin turks were the sack of constantinople by western crusaders, the conquests of the sultanate of rum, presence of rival kingdoms and finally the set up of fiefdoms at the empire which were owned by the ghazis (turkish warriors).

answer: this is because archeologists keep finding artefacts and ancient ruins dated more than 10000 to 15000 years, date around scientists said humans discovered language; which is at least mysterious as scientists always have said that is necessary to have a language to have architecture and some basic maths.

explanation: brainlest

the answer should be a. the sui empire, the tang empire extended from korea in the west to manchuria in the east.