Which of the following is an idea satirized in Gulliver's travels?

Immigration laws arising from newly opened ship routes

Rumors and talks of tyranny that can result in tragedy

Political and religious beliefs over petty concerns that can result in war and death. The romantic relationships between man and woman

The correct answer is Political and religious beliefs over petty concerns that can result in war and death.

Gulliver's travels satirized many ideas related to English society, many of the exotic things in the tale as the Lillitputians and the Yahoos represent elements and features of English society, but most of all his travels criticize political and religious matters.