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The answers form one word.

#1

#2

#3

#4

<sub>Image credits:

clue 1 #1: dtstuff9, CC-BY-SA 2.0

clue 1 #2: See Li, CC-BY-SA 2.0

clue 1 #3: Mingle Media TV, CC-BY-SA 2.0

clue 1 #4: Eva Rinaldi, CC-BY-SA 2.0

clue 2: Kremlin.ru, CC-BY 4.0

clue 4 #1: JL 09, CC-BY-SA 3.0

clue 4 #2: Itub, CC-BY SA 3.0</sub>

Partial

For #1

As pointed by @MOehm this is the list of the Academy award winners for best actress between 2005 and 2008. The missing one is 2007, Marion Cotillard. In this case we get RA.

For #2

I think it's a play on word with a bit of Russian language. Rasputin = Ras Putin, which sounds in Russian like once (or one) Putin, then we have dva (two) Putin, tri (three) Putin. the second image is framed. So I guess it's DVAPUTIN, which gives us letters DI.

For #3

This is the flag of Mexico. I'm not sure on this but it could be just ME-XI-CO, which gives us XI. On the other hand my suggested solution requires this to be CALI. As suggested by @S.M. it could be linked to the State of Lower CALIfornia (SLC) which is part of Mexico.

For #4

This is Samar island, part of the Phillippines and the Periodic table. I guess the word from this one is the element Samarium. As suggested by @ibrahimmahrir the letters must SM, the symbolic name of samarium.

The 'ideological' word we are looking therefore will end with:

So we get RA-DI-*-SM and considering the current situation of the world I guess it's RA-DI-CALI-SM.