¿Qué características le habrán permitido a la burguesía convertirse en protagonista
de las transformaciones políticas y económicas del siglo XIX?

the difference is that white collar worker performs skills like worker as a scientist or well blue collars do physical work and they do services like being a cook.

this means that germany had to pay the allied countries. reparations are/is essentially payment for something that they have done wrong, so after ww1, germany was forced to pay reparations so they could replenish the allied countries resources' that they had lost during the war.

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.