Question

what does this graph show about the number of people fighting in world war i? select all that apply.
russia had the most soldiers fighting in the war.
the central powers had more soldiers than the allied powers.
fewer than 6 million united states soldiers fought in the war.
over 30 million people fought in world war i.

Explanation:

Step1: Check Russia's soldier count

Russia's bar is the tallest, so it had the most soldiers.

Step2: Compare Allied vs Central powers

Allied powers (Russia, Great Britain, France, US, Italy, Other) bars are taller overall than Central powers (Germany, Austria-Hungary, Ottoman, Other).

Step3: Check US soldier count

US bar is below 6,000,000 mark.

Step4: Sum total soldiers

Estimate each bar: Russia (~8M), GB (~8M), France (~8M), US (~4M), Italy (~5M), Other Allied (~2M), Germany (~6M), Austria-Hungary (~7M), Ottoman (~2M), Other Central (~1M). Total ≈ 8+8+8+4+5+2+6+7+2+1=51M >30M.

Answer:

Russia had the most soldiers fighting in the war, Fewer than 6 million United States soldiers fought in the war, Over 30 million people fought in World War I.