Keyword Analysis & Research: why is it called the union jack

Keyword Analysis

Keyword	CPC	PCC	Volume	Score	Length of keyword
why is it called the union jack	1.72	1	6641	13	31
why	1.55	0.4	5736	8	3
is	0.98	1	7316	95	2
it	0.6	0.6	8345	72	2
called	0.93	0.7	3852	90	6
the	1.72	0.4	9501	9	3
union	0.84	0.2	3796	30	5
jack	1.47	0.8	8099	8	4

Keyword	CPC	PCC	Volume	Score
why is it called the union jack	1.58	0.1	4978	28