What do digory and polly haven in common

what are you referring to but this is what i think i hope this helps..

Explanation: Di gory is frightened and lonely which is why he quickly becomes very close with Polly, needing a friend to anchor him and to take his mind off his current circumstances. ... He has a firm understanding of right and wrong, but he is also willful and prone to assuming he knows more than Polly does just because he is a boy.

c) troops march forward in close formation against newer, more accurate weapons

president thomas jefferson hoped that the embargo act of 1807 would the united states by demonstrating to britain and france their dependence on american goods, convincing them to respect american neutrality and stop impressing american seamen. instead, the act had a devastating effect on american trade.