What factors gave european countries an economic advantage in asia from 1750-1900

Technology and innovation increased manufacturing output by increasing production rates, limiting labor requirements as machines were used, advanced transportation allowed for global markets. Rise of the British Empire through the first and second industrial revolutions

Explanation:

the  seven  days  battles  were  a series of seven battles over seven  days from june 25 to july 1, 1862, near richmond, virginia,  during  the american civil war. the  seven  days ended with mcclellan's army in relative safety next to the james river, having suffered almost 16,000 casualtiesduring  the retreat.