1. Egypt - coup d ' etat:
The Egyptian military coup took place on July 3, 2013, leading to the removal of President Mohamed Morsi from power and the suspension of the constitution.

2. Japan - collective security:
Japan supported the idea of collective security as a means of ensuring peace and stability in the region, particularly in response to escalating tensions with North Korea. This occurred from 2017 to the present day.

3. Syria - protesters:
The Syrian Civil War began with protests against the government of Bashar al-Assad in March 2011, leading to a prolonged and devastating conflict.

4. European Union - collective security:
The European Union has pursued a policy of collective security as a means of deterring aggression and promoting stability in the region. This has been a key focus in the EU's foreign and defense policy.
a) Blockade:
- Location/Alliance A: From July 1 to July 15, Location/Alliance A experienced a blockade which severely disrupted trade and transportation in the region.
- Location/Alliance B: From August 10 to August 25, Location/Alliance B faced a blockade imposed by neighboring countries, leading to shortages of essential goods and resources.

b) Coup d ' etat:
- Location/Alliance A: On October 5, a military coup d ' etat took place in Location/Alliance A, resulting in the overthrow of the government and the establishment of a new regime.
- Location/Alliance B: During the month of January, Location/Alliance B witnessed a coup d ' etat which led to political instability and civil unrest.

c) Collective security:
- Location/Alliance A: Throughout the year, Location/Alliance A actively engaged in collective security efforts with neighboring countries to combat external threats and maintain regional stability.
- Location/Alliance B: In response to increasing security challenges, Location/Alliance B joined a collective security agreement with other nations to enhance defense capabilities and promote peace in the region.

d) Protesters:
- Location/Alliance A: From May 15 to May 30, protesters in Location/Alliance A took to the streets to voice their grievances against government policies, leading to clashes with security forces and widespread demonstrations.
- Location/Alliance B: In June, Location/Alliance B experienced large-scale protests as citizens demanded political reforms and increased transparency in the government.