https for WW1
https://scratch.mit.edu/projects/487016683 for American civil war
https://scratch.mit.edu/projects/890946195 for Korean war
https://scratch.mit.edu/projects/384185011 for WW2 air
https://scratch.mit.edu/projects/207317594 for WW1 in the air
https://scratch.mit.edu/projects/949114898 for ww1 in the air 2
https://scratch.mit.edu/projects/863036194 for vietnam war
https://scratch.mit.edu/projects/292652058 for american revoloution
https://scratch.mit.edu/projects/227113478 for ww1 risk.
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