Seeking some advice/input regarding international travel [View all]

In November, I, along with my eldest sister (she is 75, I am 64), will be traveling to Australia for a month to visit a woman we very much regard as our "Australian sister." The back story is that in 1967-68, my eldest sister spent her senior year of high school in Sweden a Rotary exchange student. During that same year, my parents decided to give me and my other three siblings a different culturally-broadening experience by hosting a lovely young woman named Julie, from Melbourne. Julie truly became one of the family, and she adored both of my late parents, and they her. We've stayed in touch over the years, and Julie has been back to visit numerous times. And when my parents were both terminally ill, she dropped everything and came to spend two weeks with them. My parents also traveled to Australia a few years before they died to visit her, and about 5 years ago, three of my siblings and their spouses went also (my eldest sister and I were unable to make that trip, but are now in a position to do so). Needless to say, I am very excited about the trip!

Here are a couple of photos of Julie and me, the first in 1968, and the second 50 years later in 2018, when she last visited.

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My question -- the thing I am seeking advice/input about -- has to do with my social media posts. I've read some real horror stories of ICE demanding that return travelers hand over their phones (which I checked, and they are legally allowed to do this), and demanding people's social media passwords, people being give problems over social media posts ICE agents dislike. I have a long history of politically-oriented social media posts, including many in the past few years that were openly critical of Trump's immigration policies and of ICE's tactics. My question is, do I need to delete these before I travel?

I would appreciate any thoughts, relevant experiences, etc. that anyone has to offer.

Many thanks!