commit fb42f31fe70170ecdd29c6ec64189b286137c89e
Author: falah <falah@falahos.my>
Date:   Sat Oct 10 13:27:19 2026 +0000

    Add course PDF

diff --git a/why-civilizations-rise-and-fall.pdf b/why-civilizations-rise-and-fall.pdf
new file mode 100644
index 0000000..0503423
Binary files /dev/null and b/why-civilizations-rise-and-fall.pdf differ