| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| communist states in the 20th century | 0.92 | 0.1 | 8710 | 20 |
| communist states in the 20th century pdf | 1.13 | 0.8 | 8466 | 95 |
| communist states in the 20th century textbook | 1.04 | 0.8 | 4282 | 1 |
| communist states in the 20th century book | 1.5 | 0.1 | 2176 | 55 |
| communist countries in the 20th century | 0.49 | 0.5 | 1213 | 39 |
| communism in the 20th century | 1.8 | 0.6 | 7020 | 24 |
| communist states in the world | 1.71 | 1 | 2970 | 52 |
| communist states throughout history | 1.58 | 1 | 4715 | 42 |
| list of communist states | 1.89 | 0.2 | 2949 | 91 |
| communist in united states | 0.66 | 0.7 | 1577 | 80 |
| communist in the us | 1.66 | 0.9 | 1240 | 40 |
| communist countries in history | 0.1 | 0.7 | 5034 | 45 |
| communist state examples modern day | 1.76 | 0.1 | 5392 | 27 |
| communists in the usa | 1.08 | 1 | 7316 | 21 |
| communist countries in the western hemisphere | 1.55 | 0.3 | 6042 | 84 |
| list of communist countries in history | 0.57 | 0.4 | 8296 | 14 |
| communist communities in usa | 0.5 | 0.4 | 2771 | 65 |
| modern day communist countries | 0.64 | 0.6 | 9891 | 65 |
| the communist countries today | 1.15 | 0.3 | 5724 | 49 |
| most communist us state | 0.49 | 0.6 | 5752 | 64 |
| what countries are a communist state | 1.03 | 0.5 | 6363 | 67 |
