Explanation:

- Option 1: CBDA

- C introduces the initiative and its launch date.

- B describes what the initiative aims to achieve.

- D explains the intended outcome of the project.

- A provides a historical context to the date.

- Option 2: ADBC

- A prematurely begins with the context and doesn't introduce the main topic.

- D and B are misplaced without a proper introduction.

- C would not follow D logically here.

- Option 3: ABCD

- A starts with historical context, but misses the primary introduction.

- B jumps to details before introduction.

- C should precede these as the main theme.

- Option 4: CABD

- C correctly introduces the initiative.

- A provides the significant historical context.

- B elaborates on the initiative’s purpose.

- D concludes with the goal of national integration.