be SUBJECT to or be SUBJECTED to?

Can somebody help me with the following sentences? Which one should I choose?

1.) Mr. Pence supports the Trump administration in its defense of American companies who have been (subject / subjected) to decades of illicit trade practices and unfair policies.

2.) The United States established an unprecedented three-year food aid agreement with Egypt in 1962. The deal gave Nasser a level of comfort knowing that his food requirements, which were (subject / subjected) to regular shortages due to Egypt’s outdated agricultural system and chronic ecological disasters, would be satisfied.

3.) Offenders who rape girls under 12 may now be (subject / subjected) to the death penalty in India, according to an ordinance passed by India’s cabinet Saturday after a nationwide furor over the rape and killing of an 8-year-old girl.

4.) Loan sharks are a blight on society and prey on vulnerable people who struggle to make ends meet. These criminals use callous methods to enforce repayment and victims are often (subject / subjected) to threats, intimidation and violence.

5.) African migrants and asylum seekers in Yemen are being (subject / subjected) to physical and sexual abuse in detention, Human Rights Watch and the U. N. refugee agency said.

6.) Senior and disabled households who begin receiving housing subsidies after the proposal goes into effect would be immediately (subject / subjected) to the higher rents.

Much appreciated if you could provide simple guidelines for judgement!!