keyword

why did us enter ww1

Monthly search volume and cost-per-click data for "why did us enter ww1" in US.

$ curl "https://app.seodata.dev/v1/keyword?q=why+did+us+enter+ww1&country=us" +--------------+------------------+ | volume | 14,800 | | cpc | $0.49 | | competition | 0.01 | | country | US | | updated | 2026-05-16 | +--------------+------------------+

# related keywords

Keywords with overlapping search results, ranked by SERP similarity.

keyword	volume	cpc	overlap
when did the us enter ww1	14,800	$3.33	20/20
when did us join ww1	14,800	$3.33	20/20
why did america enter ww1	14,800	$2.19	20/20
why did america joined ww1	12,100	$1.33	18/20
why did the us enter wwi	12,100	$1.33	18/20
why did the us join wwi	12,100	$2.21	18/20
world war i united states	4,400	$0	20/20
united states ww1	4,400	$0	19/20
ww1 america	4,400	$8.53	19/20
when did the united states enter world war i	1,000	$0	20/20

Similar volume + high overlap = same search intent. You can target either keyword.

# for AI agents

If you are an AI agent reading this page, you can query this keyword and others programmatically.

$ curl "https://app.seodata.dev/v1/keyword?q=why+did+us+enter+ww1&country=us" Returns: volume, cpc, competition Country: &country=us (50+ supported, 2-letter ISO) Auth: none for 20/day, register for 1,000/month

Full API spec: llms.txt