I'm not sure but I think it's D
The following innovations and equipment have been a critical part to our exploration in Space or Space exploration on searching life on Mars. Such objects which are mostly unmanned gives us the information that the man can't reach in these generation and play a big part of charting the uncharted regions of the universe especially in Mars and becoming a tool to understand the world outside of our planet.
Answer:
The most direct way nationalism caused World War I was through the assassination of Archduke Franz Ferdinand, who was the heir to the throne of the Austro-Hungarian Empire. Many oppressed Slavic groups in the Austro-Hungarian Empire wanted to form independent nation states. Soon enough, World War I broke out.
Explanation: Gas attack
In
Cyprus