Advances in military tactics and increased human casualties on a massive scale.

Explanation:

As you included no options, answering this question will be challenging but I firmly believe the answer to be military technology.

Humans have continued to develop technology to help in many areas of life and war has not been left out. Devastating weaponry has been created through technology with the aim of causing such destruction to the enemy that they surrender.

From tanks to horrific bombs like the atomic bombs, humans now have the capacity to destroy the planet if engaged in conflict and even if they do not go so far as to use the more planet destroying weapons, there are still enough weapons to cause massive casualties in war.

a change of venue is the legal term for moving a trial to a new location. a change of venue request because venue is improper means that the removing defendant believes that the case may not be in that venue because it is improper under procedural rules.