13. how did french and british leaders react to hitler's annexation of the sudetenland? a. they declared war on germany. b. they offered hitler land in poland to give up the land he took. c. they demanded that hitler give up the land or they would go to war. d. they allowed these moves as long as hitler promised to go no further.

The answer is D..They allowed these moves as long as Hitler promised to to no further.

porter is writing economic history because he is focusing on the cost of developing vaccines.

aug 15, 2012 - although van leeuwenhoek was not the inventor of the microscope, he advanced it more he loved to grind and focus a new lens in order to see the unseen world. most of leeuwenhoek's microscopes were silver. in a simple but significant experiment (1668), he demonstrated that worms found on