It is prohibited to break the fast during the month of Ramadan even for the mentioned reason. Yes, it is permissible to travel in order to break the fast. However, strengthening the ties of Muslim brotherhood does not require breaking the fast. One can greet them with the Eid felicitations and greetings while one is fasting.
<p style="text-align: left;">She does not require the permission of the father for the second marriage, if her first marriage was consummated, although it is better to correspond with the family as this preserves the links of love and respect within the family.</p>