Final answer:
The statements reflect historical events in Colombia about the drug trade, guerrilla groups, and government actions during specific decades.
Explanation:
The given statements relate to historical events in Colombia during specific time periods. Statement c is true as it mentions the strengthening of the drug trade by the Medellín and Cali cartels. Statement d is also true as it highlights the government's struggles with guerrilla groups and drug traffickers, leading to violence and political instability. Lastly, statement e accurately describes an event involving the Farc guerrilla group and government negotiations in 1985.
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