Need advice on applying for UN and international organization internships

Hey everyone,

I’m currently applying for internships at the UN and other international organizations, and I have a few questions that I’d really appreciate some advice on.

If a department posts multiple internship positions in different locations, is it okay to apply for more than one? For example, let’s say one internship is in Mexico and another is in South Korea. I applied for the Mexico one last week—would it look bad if I apply for the Korea one this week? I don’t want to come across as spamming applications, but at the same time, I don’t want to miss an opportunity.

In Inspira (the UN’s recruitment system), there’s usually a final question asking whether I’ve interned at the UN before. Should I simply check “No” from the provided options, or should I also type "No" or "N/A" in the answer box? Just wondering if there’s a preferred format.

Inspira has a really short character limit for the motivation statement.Is it okay to attach a longer motivation letter as an additional document, or do recruiters typically not read attachments? Also, should I focus more on explaining my motivation for applying, or should I emphasize my relevant skills and experience?

Would really appreciate any insights from those who’ve applied before or have experience with UN recruitment! Thanks in advance!