Which of these represents the most significant reason why historians and archaeologists know relatively little about the indus river valley civilization? a) their writing has not yet been deciphered eliminate b) people have not considered it a valid subject to study c) modern governments refuse to allow experts into the area d) there is not proof that the civilization actually existed

the answer is A: theory writing was has not been deciphered

Explanation:

the crusades are one of the most significant events in the history of europe and the middle east.   they were a series of religious wars carried out by christian crusaders from europe during the timeframe of the middle ages.   beginning in 1095 ce, the crusades saw european knights and noblemen travel to the middle east in an attempt to capture the holy land away from muslim people that had controlled the region for the previous centuries.   the term crusade means ‘cross’.   therefore, the europeans that became crusaders viewed themselves as ‘taking up the cross’.   in fact, many of the crusaders wore crosses on their clothing and armor as they made their pilgrimage to the holy land.

explanation: