Which theory, described in this passage, was rejected by karl marx

When u make a choice the experience from what would have been your second option is called

In this quote british secretary of state william pitt is urging connecticut toa) hold the front from invading native tribes. b) raise troops and fight the french in canada. c) support the french in their efforts to hold on to canada. d) reject war with the french in hopes of ending the conflict.

The eastern roman empire is also known as what empire