A highly advanced alien civilization has made contact with Earth- demanding resources and threatening invasion if their demands are not met.
Establish communication with the alien civilization- attempting to understand their motives and negotiate a peaceful resolution. Assemble a team of diplomats- scientists- and linguists.
Develop a planetary defense system- including space-based weapons and ground-based missile defense systems-to deter a potential invasion.
Analyze the alien civilization's technology and communications- seeking to identify weaknesses and vulnerabilities. Research potential cultural and societal differences.
Implement emergency preparedness plans- including evacuation procedures- resource allocation- and communication protocols. Prepare for a potential interstellar conflict.
If necessary- launch a preemptive strike against the alien civilization's fleet- accepting the risks associated with interstellar war.
Strange ships fill the sky-Demands echo- tension mounts-Diplomacy or war.