Prior to 1917 the most recent political innovations had centered on the growth of democracies and republics and shifts away from monarchies. In one to two sentences explain why the creation of the world’s first communist nation was significant

5 answers

The creation of the world's first communist nation in 1917, namely the Soviet Union, was significant because it marked a radical departure from the prevailing political systems, introducing the ideology of communism and paving the way for the establishment of other communist states around the world.
Simply that
The creation of the world's first communist nation in 1917 was significant because it fundamentally challenged and reshaped the traditional power structures and social order, offering a new model of governance and socioeconomic organization.
Simplify that
The creation of the world's first communist nation in 1917 was significant because it introduced a new system of governance and social organization, challenging traditional power structures and inspiring similar movements worldwide.