How did people from the Stone Age use bitumen to make boats?​

they use outer layer or part of tree as a boat.

answer; i believe the answer is (b) fascism;

world war i had a devastating effect on german-americans and their cultural heritage. up until that point   german-americans, as a group, had been spared much of the discrimination, abuse, rejection, collective mistrust experienced by so many different racial and ethnic groups in the history of the united states. indeed, over the years, they had been viewed as a well integrated and esteemed part of american society. all of this change with the outbreak of war.