different between spearheaded vs initiated

spearheaded

spearheaded From the web:

• what spearheaded means
• what has spearheaded the it revolution in india
• what organization spearheaded the development of ada
• what is spearheaded in tagalog
• what is spearheaded synonym
• what is spearheaded in spanish
• what's another word spearheaded
• spearheaded definition

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initiated

initiated From the web:

• what initiated the civil war
• what initiated the progressive movement and who started it
• what initiated world war 1
• what initiated the creation of the bomb in the us
• what initiated the start of the digital revolution
• what initiated means
• what initiated the cold war
• what initiated ww2