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"Two of those were high-ranking S.S. officers: of those, one, Wolfgang Von Manteuffel, a tall, thin man with cold blue eyes, was a major-general, no more than thirty-five years old: the second, Heinrich Spaatz, a thick-set, swarthy man who had apparently elected to choose a scowl as his, permanent expression in life, was a colonel of about the same age."

This is from Alistair Maclean - River Of Death.

I don't understand the use of "elected to choose".
I got this that Spaatz has a scowl on his face all the time.

But elect and choose means same so why writer has used both of them?
Elect means
elect to do sth: (formal) to choose to do something

In this case it looks " ....man who had apparently chose to choose a scowl as his,......"

Of course, Maclean is right Emotion: smile but I can't understand what "elected to choose" means.
Where can we use it?
I googled and found other sentences too with "elected to choose" but still couldn't get where this expression is used? What does it signify?

Please help me with it.
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= he made a decision to opt for the scowl.
Personally, I think it is redundant, superfluous and isn't really necessary to use elect and choose together.
Comments  
Philip= he made a decision to opt for the scowl.
Personally, I think it is redundant, superfluous and isn't really necessary to use elect and choose together.

Thanks a lot Mr Philip.

So if I say that "elected to choose" simply means "decided to choose".
Elected to choose is just a fancy or formal word for the above meaning.
like
"I have a friend who elected to choose free hosts(servers)." link
means, friend decided to choose free hosting services.

Am I right?