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keyword

ap world history chapter 21 outline

Monthly search volume and cost-per-click data for "ap world history chapter 21 outline" in US.

$ curl "https://app.seodata.dev/v1/keyword?q=ap+world+history+chapter+21+outline&country=us" +--------------+------------------+ | volume | 10 | | cpc | $0 | | competition | 0 | | country | US | | updated | 2026-03-30 | +--------------+------------------+

# related keywords

Keywords with overlapping search results, ranked by SERP similarity.

keyword volume cpc overlap
openstax us history 1,300 $1.21 2/20
ap world history chapter 21 40 $0 3/20
chapter 21 ap world 40 $0 3/20
chapter 21 ap world history 40 $0 3/20
world history outlines 40 $0.33 2/20
ap world history chapter 1 notes 30 $0 2/20
traditions and encounters chapter outlines 30 $0 2/20
ways of the world chapter 21 30 $0 2/20
chapter 21 ap world history outline 10 $0 16/20
chapter 21 outline ap world history 10 $0 16/20

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=ap+world+history+chapter+21+outline&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